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EcoCommons attribution

Recommended EcoCommons citation

EcoCommons Australia 2022. EcoCommons Australia – the platform of choice for ecological and environmental modelling, EcoCommons, Griffith University, Nathan, Queensland. Available: https://dataexplorer.app.ecocommons.org.au/ (Accessed: Date[ e.g., January 19, 2022]).  https://doi.org/10.47486/PL108

Acknowledgement

EcoCommons Australia is a partnership of nine organisations including NCRIS-funded Australian Research Data Commons (ARDC), the Atlas of Living Australia (ALA), CEBRA at the University of Melbourne, CSIRO’s Land and Water unit, Griffith UniversityMacquarie University, QCIF, TERN, and the University of NSW. It also involves an investment from the Queensland Government’s Research Infrastructure Co-investment Fund (RICF) (edited) 

Recommended citation of R & main packages as well as Python and main libraries

EcoCommons would not exist without the considerable work on packages by many developers. Please cite both the language and the packages you used in your work. Find a full list of current citation information for using R and our R packages and some of the Python citations below.
To get the latest R citation to use the function below from the R.
citation()
To get citation information for any R package you can use this function in R.
citation(package = "here")
Citation for R:
R Core Team (2021). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL https://www.R-project.org/.Statistical
DISMO R package citation:
Robert J. Hijmans, Steven Phillips, John Leathwick and Jane Elith (2021). dismo: Species Distribution Modeling. R package version 1.3-
5.  https://CRAN.R-project.org/package=dismo
Biomod2 citation:
Wilfried Thuiller, Damien Georges, Maya Gueguen, Robin Engler and Frank Breiner (2021). biomod2: Ensemble Platform for Species Distribution Modeling. R package
version 3.5.1. https://CRAN.R-project.org/package=biomod2
Python citation:
Van Rossum, G., & Drake Jr, F. L. (1995). Python reference manual. Centrum voor Wiskunde en Informatica Amsterdam.
citation for NumPy library:
Harris, C.R., Millman, K.J., van der Walt, S.J. et al. Array programming with NumPy. Nature 585, 357–362 (2020). DOI: 10.1038/s41586-020-2649-2. (Publisher link).

Citations for R packages used within the EcoCommons platform:

Package R Reference
abind Tony Plate and Richard Heiberger  (2016). abind: Combine Multidimensional Arrays. R  package version 1.4-5.  https://CRAN.R-project.org/package=abind 
Acepack Phil Spector, Jerome Friedman, Robert Tibshirani, Thomas Lumley, Shawn Garbett and Jonathan Baron (2016). acepack: ACE and AVAS for Selecting  Multiple Regression Transformations. R package version 1.4.1.  https://CRAN.R-project.org/package=acepack
Ade4 Dray S, Dufour A (2007). “The ade4 Package: Implementing the Duality Diagram for Ecologists.” _Journal of Statistical Software_, *22*(4), 1-20. doi: 10.18637/jss.v022.i04 (URL: https://doi.org/10.18637/jss.v022.i04).

Bougeard S, Dray S (2018). “Supervised Multiblock Analysis in R with the  de4Package.” _Journal of Statistical Software_, *86*(1), 1-17. doi: 10.18637/jss.v086.i01 (URL: https://doi.org/10.18637/jss.v086.i01). 

Chessel D, Dufour A, Thioulouse J (2004). “The ade4 Package – I: One-Table Methods.” _R News_, *4*(1), 5-10. <URL: https://cran.r project.org/doc/Rnews/>. 

Dray S, Dufour A, Chessel D (2007). “The ade4 Package – II: Two-Table and K-Table Methods.” _R News_, *7*(2), 47-52. <URL: https://cran.r-project.org/doc/Rnews/>. 

Thioulouse J, Dray S, Dufour A, Siberchicot A, Jombart T, Pavoine S (2018).Multivariate Analysis of Ecological Data with ade4_. Springer. doi: 10.1007/978-1-4939-8850-1 (URL: https://doi.org/10.1007/978-1-4939-8850-1). 
adehabitatHR Calenge, C. (2006) The package adehabitat for the R software: a tool for the  analysis of space and habitat use by animals. Ecological Modelling, 197, 516-519
adehabitatLT Calenge, C. (2006) The package adehabitat for the R software: a tool for the   analysis of space and habitat use by animals. Ecological Modelling, 197, 516-519
adehabitatMA Calenge, C. (2006) The package adehabitat for the R software: a tool for the analysis of space and habitat use by animals. Ecological Modelling, 197, 516-519
alphahull  Beatriz Pateiro-Lopez, Alberto Rodriguez-Casal and . (2019). alphahull:   Generalization of the Convex Hull of a Sample of Points in the Plane. R  package version 2.2. https://CRAN.R-project.org/package=alphahull
Ape Paradis E. & Schliep K. 2019. ape 5.0: an environment for modern  phylogenetics and evolutionary analyses in R. Bioinformatics 35: 526-528.
Askpass Jeroen Ooms (2019). askpass: Safe Password Entry for R, Git, and SSH. R package version 1.1. https://CRAN.R-project.org/package=askpass 
Assertthat Hadley Wickham (2019). assertthat: Easy Pre and Post Assertions. R package version 0.2.1. https://CRAN.R-project.org/package=assertthat 
Backports Michel Lang and R Core Team (2021). backports: Reimplementations of Functions Introduced Since R-3.0.0. R package version 1.4.1.  https://CRAN.R-project.org/package=backports 
base  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
Base64enc Simon Urbanek (2015). base64enc: Tools for base64 encoding. R package version 0.1-3. https://CRAN.R-project.org/package=base64enc
BH Dirk Eddelbuettel, John W. Emerson and Michael J. Kane (2021). BH: Boost C++ Header Files. R package version 1.78.0-0. https://CRAN.R-project.org/package=BH 
BiocManager Martin Morgan (2021). BiocManager: Access the Bioconductor Project Package Repository. R package version 1.30.16. https://CRAN.R-project.org/package=BiocManager
Biomod2 Wilfried Thuiller, Damien Georges, Maya Gueguen, Robin Engler and Frank Breiner (2021). biomod2: Ensemble Platform for Species Distribution Modeling.R package version 3.5.1. https://CRAN.R-project.org/package=biomod2
Bit Jens Oehlschlägel and Brian Ripley (2020). bit: Classes and Methods for Fast Memory-Efficient Boolean Selections. R package version 4.0.4.  https://CRAN.R-project.org/package=bit
Bit64 Jens Oehlschlägel and Leonardo Silvestri (2020). bit64: A S3 Class for  Vectors of 64bit Integers. R package version 4.0.5.  https://CRAN.R-project.org/package=bit64
Bitops S original by Steve Dutky initial R port, extensions by Martin Maechler;  revised and modified by Steve Dutky (2021). bitops: Bitwise Operations. R package version 1.0-7. https://CRAN.R-project.org/package=bitops 
Blob Hadley Wickham (2021). blob: A Simple S3 Class for Representing Vectors of Binary Data (‘BLOBS’). R package version 1.2.2.  https://CRAN.R-project.org/package=blob 
boot  Angelo Canty and Brian Ripley (2021). boot: Bootstrap R (S-Plus)
  Functions. R package version 1.3-28.

  Davison, A. C. & Hinkley, D. V. (1997) Bootstrap Methods and Their
  Applications. Cambridge University Press, Cambridge. ISBN 0-521-57391-2
Brew Jeffrey Horner and Greg Hunt (2022). brew: Templating Framework for Report Generation. R package version 1.0-7. https://CRAN.R-project.org/package=brew 
brio
Jim Hester and Gábor Csárdi (2021). brio: Basic R Input Output. R
  package version 1.1.3. https://CRAN.R-project.org/package=brio
Broom David Robinson, Alex Hayes and Simon Couch (2022). broom: Convert Statistical Objects into Tidy Tibbles. R package version 0.7.12.  https://CRAN.R-project.org/package=broom 
bslib Carson Sievert and Joe Cheng (2021). bslib: Custom ‘Bootstrap’ ‘Sass’
  Themes for ‘shiny’ and ‘rmarkdown’. R package version 0.3.1.
  https://CRAN.R-project.org/package=bslib
cachem   Winston Chang (2021). cachem: Cache R Objects with Automatic Pruning. R
  package version 1.0.6. https://CRAN.R-project.org/package=cachem
Callr Gábor Csárdi and Winston Chang (2021). callr: Call R from R. R package  version 3.7.0. https://CRAN.R-project.org/package=callr 
car John Fox and Sanford Weisberg (2019). An {R} Companion to Applied
  Regression, Third Edition. Thousand Oaks CA: Sage. URL:
  https://socialsciences.mcmaster.ca/jfox/Books/Companion/
carData John Fox, Sanford Weisberg and Brad Price (2022). carData: Companion to
  Applied Regression Data Sets. R package version 3.0-5.
  https://CRAN.R-project.org/package=carData
Caret Max Kuhn (2021). caret: Classification and Regression Training. R package version 6.0-90. https://CRAN.R-project.org/package=caret 
cellranger Jennifer Bryan (2016). cellranger: Translate Spreadsheet Cell Ranges to
  Rows and Columns. R package version 1.1.0.
  https://CRAN.R-project.org/package=cellranger
Checkmate Lang M (2017). “checkmate: Fast Argument Checks for Defensive R Programming.”The R Journal_, *9*(1), 437-445. <URL: https://journal.r-project.org/archive/2017/RJ-2017-028/index.html>.
CircStats S-plus original by Ulric Lund and R port by Claudio Agostinelli (2018).  CircStats: Circular Statistics, from “Topics in Circular Statistics” (2001).  R package version 0.2-6. https://CRAN.R-project.org/package=CircStats 
class Venables, W. N. & Ripley, B. D. (2002) Modern Applied Statistics with
  S. Fourth Edition. Springer, New York. ISBN 0-387-95457-0
classInt  Roger Bivand (2020). classInt: Choose Univariate Class Intervals. R package version 0.4-3. https://CRAN.R-project.org/package=classInt 
Cli Gábor Csárdi (2022). cli: Helpers for Developing Command Line Interfaces. R package version 3.1.1. https://CRAN.R-project.org/package=cli 
Clipr Matthew Lincoln (2020). clipr: Read and Write from the System Clipboard. R package version 0.7.1. https://CRAN.R-project.org/package=clipr
Clisymbols Gábor Csárdi and Sindre Sorhus (2017). clisymbols: Unicode Symbols at the R Prompt. R package version 1.2.0. https://CRAN.R-project.org/package=clisymbols 
cluster  Maechler, M., Rousseeuw, P., Struyf, A., Hubert, M., Hornik, K.(2022).
  cluster: Cluster Analysis Basics and Extensions. R package version
  2.1.3.
codetools  Luke Tierney (2020). codetools: Code Analysis Tools for R. R package
  version 0.2-18. https://CRAN.R-project.org/package=codetools
Colorspace Zeileis A, Fisher JC, Hornik K, Ihaka R, McWhite CD, Murrell P, Stauffer R, Wilke CO (2020). “colorspace: A Toolbox for Manipulating and Assessing Colors and Palettes.” _Journal of Statistical Software_, *96*(1), 1-49. doi:10.18637/jss.v096.i01 (URL: dttps://doi.org/10.18637/jss.v096.i01). 
colourvalues David Cooley (2020). colourvalues: Assigns Colours to Values. R package
  version 0.3.7. https://CRAN.R-project.org/package=colourvalues
Commonmark Jeroen Ooms (2018). commonmark: High Performance CommonMark and Github Markdown Rendering in R. R package version 1.7.  https://CRAN.R-project.org/package=commonmark 
compiler  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
conditionz Scott Chamberlain (2019). conditionz: Control How Many Times Conditions
  are Thrown. R package version 0.1.0.
  https://CRAN.R-project.org/package=conditionz
conflicted Hadley Wickham (2021). conflicted: An Alternative Conflict Resolution
  Strategy. R package version 1.1.0.
  https://CRAN.R-project.org/package=conflicted
conquer Xuming He, Xiaoou Pan, Kean Ming Tan and Wen-Xin Zhou (2022). conquer:
  Convolution-Type Smoothed Quantile Regression. R package version 1.3.0.
  https://CRAN.R-project.org/package=conquer
ConR Gilles Dauby (2020). ConR: Computation of Parameters Used in Preliminary Assessment of Conservation Status. R package version 1.3.0.  https://CRAN.R-project.org/package=ConR 
Covr Jim Hester (2020). covr: Test Coverage for Packages. R package version 3.5.1.  https://CRAN.R-project.org/package=covr 
cpp11 Jim Hester and Romain François (2021). cpp11: A C++11 Interface for R’s
  C Interface. R package version 0.4.2.
  https://CRAN.R-project.org/package=cpp11
Crayon Gábor Csárdi (2021). crayon: Colored Terminal Output. R package version 1.4.2. https://CRAN.R-project.org/package=crayon 
credentials Jeroen Ooms (2021). credentials: Tools for Managing SSH and Git
  Credentials. R package version 1.3.2.
  https://CRAN.R-project.org/package=credentials
Crosstalk oe Cheng and Carson Sievert (2021). crosstalk: Inter-Widget Interactivity  for HTML Widgets. R package version 1.2.0. https://CRAN.R-project.org/package=crosstalk
crul Scott Chamberlain (2021). crul: HTTP Client. R package version 1.2.0.
  https://CRAN.R-project.org/package=crul
Curl Jeroen Ooms (2021). curl: A Modern and Flexible Web Client for R. R package version 4.3.2. https://CRAN.R-project.org/package=curl
Cyclocomp Gabor Csardi (2016). cyclocomp: Cyclomatic Complexity of R Code. R package version 1.1.0. https://CRAN.R-project.org/package=cyclocomp data.table 
Data.table Matt Dowle and Arun Srinivasan (2021). data.table: Extension of `data.frame`. R package version 1.14.2. https://CRAN.R-project.org/package=data.table
datasets R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
DBI R Special Interest Group on Databases (R-SIG-DB), Hadley Wickham and Kirill Müller (2021). DBI: R Database Interface. R package version 1.1.2.  https://CRAN.R-project.org/package=DBI
Dbplyr Hadley Wickham, Maximilian Girlich and Edgar Ruiz (2021). dbplyr: A ‘dplyr’ Back End for Databases. R package version 2.1.1.  https://CRAN.R-project.org/package=dbplyr
deldir Rolf Turner (2021). deldir: Delaunay Triangulation and Dirichlet
  (Voronoi) Tessellation. R package version 1.0-6.
  https://CRAN.R-project.org/package=deldir
Desc Gábor Csárdi, Kirill Müller and Jim Hester (2021). desc: Manipulate  DESCRIPTION Files. R package version 1.4.0.  https://CRAN.R-project.org/package=desc  
Devtools Hadley Wickham, Jim Hester, Winston Chang and Jennifer Bryan (2021).  devtools: Tools to Make Developing R Packages Easier. R package version 2.4.3. https://CRAN.R-project.org/package=devtools 
dials Max Kuhn and Hannah Frick (2022). dials: Tools for Creating Tuning
  Parameter Values. R package version 0.1.1.
  https://CRAN.R-project.org/package=dials
DiceDesign Delphine Dupuy, Celine Helbert, Jessica Franco (2015). DiceDesign and
  DiceEval: Two R Packages for Design and Analysis of Computer
  Experiments. Journal of Statistical Software, 65(11), 1-38. URL
  https://www.jstatsoft.org/v65/i11/
dichromat Thomas Lumley (2022). dichromat: Color Schemes for Dichromats. R
  package version 2.0-0.1. https://CRAN.R-project.org/package=dichromat
Diffobj Brodie Gaslam (2021). diffobj: Diffs for R Objects. R package version 0.3.5.  https://CRAN.R-project.org/package=diffobj
Digest Dirk Eddelbuettel with contributions by Antoine Lucas, Jarek Tuszynski,  Henrik Bengtsson, Simon Urbanek, Mario Frasca, Bryan Lewis, Murray Stokely,  Hannes Muehleisen, Duncan Murdoch, Jim Hester, Wush Wu, Qiang Kou, Thierry  Onkelinx, Michel Lang, Viliam Simko, Kurt Hornik, Radford Neal, Kendon Bell,  Matthew de Queljoe, Ion Suruceanu, Bill Denney, Dirk Schumacher and and  Winston Chang. (2021). digest: Create Compact Hash Digests of R Objects. R  package version 0.6.29. https://CRAN.R-project.org/package=digest 
Dismo Robert J. Hijmans, Steven Phillips, John Leathwick and Jane Elith (2021).  dismo: Species Distribution Modeling. R package version 1.3-5.  https://CRAN.R-project.org/package=dismo 
doParallel Microsoft Corporation and Steve Weston (2022). doParallel: Foreach Parallel Adaptor for the ‘parallel’ Package. R package version 1.0.17. https://CRAN.R-project.org/package=doParallel 
doSNOW Microsoft Corporation and Stephen Weston (2022). doSNOW: Foreach
  Parallel Adaptor for the ‘snow’ Package. R package version 1.0.20.
  https://CRAN.R-project.org/package=doSNOW
dotCall64 F. Gerber, K. Moesinger, R. Furrer (2018), dotCall64: An R package providing an efficient interface to compiled C, C++, and Fortran code supporting long vectors, SoftwareX 7, 217-221, https://doi.org/10.1016/j.softx.2018.06.002.

F. Gerber, K. Moesinger, R. Furrer (2017), Extending R packages to support 64-bit compiled code: An illustration with spam64 and GIMMS NDVI3g data, Computer & Geoscience 104, 109-119,  https://doi.org/10.1016/j.cageo.2016.11.015
Dplyr Hadley Wickham, Romain François, Lionel Henry and Kirill Müller (2021).  dplyr: A Grammar of Data Manipulation. R package version 1.0.7.  https://CRAN.R-project.org/package=dplyr 
DT Yihui Xie, Joe Cheng and Xianying Tan (2021). DT: A Wrapper of the JavaScript  Library ‘DataTables’. R package version 0.20.  https://CRAN.R-project.org/package=DT 
Dtpylr Hadley Wickham, Maximilian Girlich, Mark Fairbanks and Ryan Dickerson (2022).  dtplyr: Data Table Back-End for ‘dplyr’. R package version 1.2.1.  https://CRAN.R-project.org/package=dtplyr 
E1071 David Meyer, Evgenia Dimitriadou, Kurt Hornik, Andreas Weingessel and  Friedrich Leisch (2021). e1071: Misc Functions of the Department of  Statistics, Probability Theory Group (Formerly: E1071), TU Wien. R package  version 1.7-9. https://CRAN.R-project.org/package=e1071
Earth Stephen Milborrow. Derived from mda:mars by Trevor Hastie and Rob Tibshirani. Uses Alan Miller’s Fortran utilities with Thomas Lumley’s leaps wrapper. (2021). earth: Multivariate Adaptive Regression Splines. R package version 5.3.1. https://CRAN.R-project.org/package=earth 
ecospat Goslee, S.C. and Urban, D.L. 2007. The ecodist package for dissimilarity-based analysis of ecological data. Journal of Statistical Software 22(7):1-19. 
Ellipsis Hadley Wickham (2021). ellipsis: Tools for Working with …. R package version 0.3.2. https://CRAN.R-project.org/package=ellipsis 
ENMeval Kass, J. M., Muscarella, R., Galante, P. J., Bohl, C. L.,
  Pinilla-Buitrago, G. E., Boria, R. A., Soley-Guardia, M., and R. P.
  Anderson (2021). ENMeval 2.0: Redesigned for customizable and
  reproducible modeling of species’ niches and distributions. Methods in
  Ecology and Evolution. https://doi.org/10.1111/2041-210X.13628
Evaluate Hadley Wickham and Yihui Xie (2019). evaluate: Parsing and Evaluation Tools that Provide More Details than the Default. R package version 0.14.  https://CRAN.R-project.org/package=evaluate  
Fansi Brodie Gaslam (2022). fansi: ANSI Control Sequence Aware String Functions. R package version 1.0.2. https://CRAN.R-project.org/package=fansi 
Farver Thomas Lin Pedersen, Berendea Nicolae and Romain François (2021). farver: High Performance Colour Space Manipulation. R package version 2.1.0. https://CRAN.R-project.org/package=farver 
Fastmap Winston Chang (2021). fastmap: Fast Data Structures. R package version 1.1.0.   https://CRAN.R-project.org/package=fastmap 
Fields Douglas Nychka, Reinhard Furrer, John Paige, Stephan Sain (2021). “fields: Tools for spatial data.” R package version 13.3, <URL: https://github.com/dnychka/fieldsRPackage>. 
Filehash Peng RD (2006). “Interacting with data using the filehash package,” R News, 6 (4), 19–24.
FNN Alina Beygelzimer, Sham Kakadet, John Langford, Sunil Arya, David Mount and Shengqiao Li (2019). FNN: Fast Nearest Neighbor Search Algorithms and Applications. R package version 1.1.3. https://CRAN.R-project.org/package=FNN 
Foghorn Francois Michonneau (2021). foghorn: Summarize CRAN Check Results in the Terminal. R package version 1.4.2. https://CRAN.Rproject.org/package=foghorn
fontawesome Richard Iannone (2021). fontawesome: Easily Work with ‘Font Awesome’
  Icons. R package version 0.2.2.
  https://CRAN.R-project.org/package=fontawesome
fontBitstreamVera Lionel Henry (2017). fontBitstreamVera: Fonts with ‘Bitstream Vera Fonts’  License. R package version 0.1.1. https://CRAN.R-project.org/package=fontBitstreamVera
fontLiberation Pravin Satpute and Steve Matteson (2016). fontLiberation: Liberation Fonts. R package version 0.1.0. https://CRAN.R-project.org/package=fontLiberation 
fontquiver  Lionel Henry (2017). fontquiver: Set of Installed Fonts. R package version  0.2.1. https://CRAN.R-project.org/package=fontquiver 
forcats Hadley Wickham (2021). forcats: Tools for Working with Categorical
  Variables (Factors). R package version 0.5.1.
  https://CRAN.R-project.org/package=forcats
Foreach Microsoft and Steve Weston (2022). foreach: Provides Foreach Looping  Construct. R package version 1.5.2. https://CRAN.R-project.org/package=foreach 
forecast Hyndman R, Athanasopoulos G, Bergmeir C, Caceres G, Chhay L, O’Hara-Wild
M, Petropoulos F, Razbash S, Wang E, Yasmeen F (2022). _forecast:
Forecasting functions for time series and linear models_. R package
version 8.16, <URL: https://pkg.robjhyndman.com/forecast/>.

Hyndman RJ, Khandakar Y (2008). “Automatic time series forecasting: the
forecast package for R.” _Journal of Statistical Software_, *26*(3),
1-22. doi: 10.18637/jss.v027.i03 (URL:
https://doi.org/10.18637/jss.v027.i03).
foreign  R Core Team (2022). foreign: Read Data Stored by ‘Minitab’, ‘S’, ‘SAS’,
  ‘SPSS’, ‘Stata’, ‘Systat’, ‘Weka’, ‘dBase’, …. R package version
  0.8-82. https://CRAN.R-project.org/package=foreign
Formula Zeileis A, Croissant Y (2010). “Extended Model Formulas in R: Multiple Parts and Multiple Responses.” _Journal of Statistical Software_, *34*(1), 1-13. doi: 10.18637/jss.v034.i01 (URL: https://doi.org/10.18637/jss.v034.i01). 
fracdiff Martin Maechler (2020). fracdiff: Fractionally Differenced ARIMA aka
  ARFIMA(P,d,q) Models. R package version 1.5-1.
  https://CRAN.R-project.org/package=fracdiff
freetypeharfbuzz  Error in citation(package = “freetypeharfbuzz”) :   there is no package called ‘freetypeharfbuzz’
Fs Jim Hester, Hadley Wickham and Gábor Csárdi (2021). fs: Cross-Platform File System Operations Based on ‘libuv’. R package version 1.5.2. https://CRAN.R-project.org/package=fs
furrr Davis Vaughan and Matt Dancho (2022). furrr: Apply Mapping Functions in
  Parallel using Futures. R package version 0.3.0.
  https://CRAN.R-project.org/package=furrr
future Henrik Bengtsson, A Unifying Framework for Parallel and Distributed
  Processing in R using Futures, The R Journal (2021) 13:2, pages
  208-227, doi:10.32614/RJ-2021-048
future.apply   Henrik Bengtsson, A Unifying Framework for Parallel and Distributed
  Processing in R using Futures, The R Journal (2021) 13:2, pages
  208-227, doi:10.32614/RJ-2021-048
Gam Trevor Hastie (2020). gam: Generalized Additive Models. R package version 1.20. https://CRAN.R-project.org/package=gam 
Gargle Jennifer Bryan, Craig Citro and Hadley Wickham (2021). gargle: Utilities for working with Google APIs. R package version 1.2.0. https://CRAN.R-project.org/package=gargle 
Gbm Brandon Greenwell, Bradley Boehmke, Jay Cunningham and GBM Developers (2020). gbm: Generalized Boosted Regression Models. R package version 2.1.8.
https://CRAN.R-project.org/package=gbm 
gdalUtils Jonathan Asher Greenberg and Matteo Mattiuzzi (2020). gdalUtils: Wrappers for the Geospatial Data Abstraction Library (GDAL) Utilities. R package version
2.0.3.2. https://CRAN.R-project.org/package=gdalUtils 
Gdata Gregory R. Warnes, Ben Bolker, Gregor Gorjanc, Gabor Grothendieck, Ales Korosec, Thomas Lumley, Don MacQueen, Arni Magnusson, Jim Rogers and others
(2017). gdata: Various R Programming Tools for Data Manipulation. R package
version 2.18.0. https://CRAN.R-project.org/package=gdata 
Gdtools David Gohel, Hadley Wickham, Lionel Henry and Jeroen Ooms (2021). gdtools: “Utilities for Graphical Rendering. R package version 0.2.3. Utilities for Graphical Rendering. R package version 0.2.3.
https://CRAN.R-project.org/package=gdtools 
generics  Hadley Wickham, Max Kuhn and Davis Vaughan (2022). generics: Common S3 Generics not Provided by Base R Methods Related to Model Fitting. R package
version 0.1.2. https://CRAN.R-project.org/package=generics
geojsonsf David Cooley (2022). geojsonsf: GeoJSON to Simple Feature Converter. R
  package version 2.0.2. https://CRAN.R-project.org/package=geojsonsf
geometries David Cooley (2020). geometries: Convert Between R Objects and
  Geometric Structures. R package version 0.2.0.
  https://CRAN.R-project.org/package=geometries
geosphere  Robert J. Hijmans (2021). geosphere: Spherical Trigonometry. R package version 1.5-14. https://CRAN.R-project.org/package=geosphere 
gert Jeroen Ooms (2022). gert: Simple Git Client for R. R package version
  1.6.0. https://CRAN.R-project.org/package=gert
ggdendro Andrie de Vries and Brian D. Ripley (2022). ggdendro: Create
  Dendrograms and Tree Diagrams Using ‘ggplot2’. R package version
  0.1.23. https://CRAN.R-project.org/package=ggdendro
ggmap D. Kahle and H. Wickham. ggmap: Spatial Visualization with ggplot2. The
  R Journal, 5(1), 144-161. URL
  http://journal.r-project.org/archive/2013-1/kahle-wickham.pdf
ggplot2  H. Wickham. ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York, 2016.  
ggplot2movies Hadley Wickham (2015). ggplot2movies: Movies Data. R package version 0.0.1. https://CRAN.R-project.org/package=ggplot2movies  
gh Jennifer Bryan and Hadley Wickham (2021). gh: ‘GitHub’ ‘API’. R package version 1.3.0. https://CRAN.R-project.org/package=gh 
Git2r Widgren, S., et al. (2020) git2r: Provides Access to Git Repositories. R package version 0.27.1. URL https://CRAN.R-project.org/package=git2r
gitcreds Gábor Csárdi (2020). gitcreds: Query ‘git’ Credentials from ‘R’. R
  package version 0.1.1. https://CRAN.R-project.org/package=gitcreds
glmnet Jerome Friedman, Trevor Hastie, Robert Tibshirani (2010).
  Regularization Paths for Generalized Linear Models via Coordinate
  Descent. Journal of Statistical Software, 33(1), 1-22. URL
  https://www.jstatsoft.org/v33/i01/.
globals Henrik Bengtsson (2022). globals: Identify Global Objects in R
  Expressions. R package version 0.15.0.
  https://CRAN.R-project.org/package=globals
Glue Jim Hester and Jennifer Bryan (2022). glue: Interpreted String Literals. R package version 1.6.1. https://CRAN.R-project.org/package=glue 
glue Jim Hester and Jennifer Bryan (2022). glue: Interpreted String
  Literals. R package version 1.6.2.
  https://CRAN.R-project.org/package=glue
Gmailr Jim Hester and Jennifer Bryan (2021). gmailr: Access the ‘Gmail’ ‘RESTful’ API. R package version 1.0.1. https://CRAN.R-project.org/package=gmailr 
Gmodels Gregory R. Warnes, Ben Bolker, Thomas Lumley, Randall C Johnson.
Contributions from Randall C. Johnson are Copyright SAIC-Frederick, Inc.
Funded by the Intramural Research Program, of the NIH, National Cancer
Institute and Center for Cancer Research under NCI Contract NO1-CO-12400.
(2018). gmodels: Various R Programming Tools for Model Fitting. R package
version 2.18.1. https://CRAN.R-project.org/package=gmodels 
Goftest Julian Faraway, George Marsaglia, John Marsaglia and Adrian Baddeley (2021). goftest: Classical Goodness-of-Fit Tests for Univariate Distributions. R package version 1.2-3. https://CRAN.R-project.org/package=goftest 
googledrive Lucy D’Agostino McGowan and Jennifer Bryan (2021). googledrive: An
  Interface to Google Drive. R package version 2.0.0.
  https://CRAN.R-project.org/package=googledrive
googlePolylines David Cooley (2020). googlePolylines: Encoding Coordinates into
  ‘Google’ Polylines. R package version 0.8.2.
  https://CRAN.R-project.org/package=googlePolylines
googlesheets4 Jennifer Bryan (2021). googlesheets4: Access Google Sheets using the
  Sheets API V4. R package version 1.0.0.
  https://CRAN.R-project.org/package=googlesheets4
gower Mark van der Loo (2022). gower: Gower’s Distance. R package version 1.0.0. https://CRAN.R-project.org/package=gower
GPfit Blake MacDonald, Pritam Ranjan, Hugh Chipman (2015). GPfit: An R
  Package for Fitting a Gaussian Process Model to Deterministic Simulator
  Outputs. Journal of Statistical Software, 64(12), 1-23. URL
  http://www.jstatsoft.org/v64/i12/.
graphics  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
grDevices  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
grid R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
Gridextra Baptiste Auguie (2017). gridExtra: Miscellaneous Functions for “Grid” Graphics. R package version2.3. https://CRAN.R-project.org/package=gridExtra 
gtable Hadley Wickham and Thomas Lin Pedersen (2019). gtable: Arrange ‘Grobs’ in Tables. R package version 0.3.0. https://CRAN.R-project.org/package=gtable  
gtools Gregory R. Warnes, Ben Bolker and Thomas Lumley (2021). gtools: Various R Programming Tools. R package version 3.9.2. https://CRAN.R-project.org/package=gtools 
hardhat Davis Vaughan and Max Kuhn (2022). hardhat: Construct Modeling
  Packages. R package version 0.2.0.
  https://CRAN.R-project.org/package=hardhat
haven Hadley Wickham, Evan Miller and Danny Smith (2022). haven: Import and
  Export ‘SPSS’, ‘Stata’ and ‘SAS’ Files. R package version 2.5.0.
  https://CRAN.R-project.org/package=haven
hexbin Dan Carr, ported by Nicholas Lewin-Koh, Martin   Maechler and contains copies of lattice functions written by Deepayan Sarkar (2021). hexbin: Hexagonal Binning Routines. R package version 1.28.2. https://CRAN.R-project.org/package=hexbin
highlight Romain Francois (2019). highlight: Syntax   Highlighter. R package version 0.5.0. https://CRAN.R-project.org/package=highlight 
highr Yihui Xie and Yixuan Qiu (2021). highr: Syntax Highlighting for R Source Code. R package version 0.9. https://CRAN.R-project.org/package=highr 
Hmisc Frank E Harrell Jr (2021). Hmisc: Harrell Miscellaneous. R package version 4.6-0. https://CRAN.R-project.org/package=Hmisc 
hms Kirill Müller (2021). hms: Pretty Time of Day. R package version 1.1.1. https://CRAN.R-project.org/package=hms 
htmlTable Max Gordon, Stephen Gragg and Peter Konings (2022). htmlTable: Advanced Tables for Markdown/HTML. R package version 2.4.0. https://CRAN.R-project.org/package=htmlTable 
htmltools Joe Cheng, Carson Sievert, Barret Schloerke, Winston Chang, Yihui Xie and Jeff Allen (2021). htmltools: Tools for HTML. R package version 0.5.2. https://CRAN.R-project.org/package=htmltools 
htmlwidgets Ramnath Vaidyanathan, Yihui Xie, JJ Allaire, Joe Cheng, Carson Sievert and Kenton Russell (2021). htmlwidgets: HTML Widgets for R. R package version 1.5.4. https://CRAN.R-project.org/package=htmlwidgets 
httpcode Scott Chamberlain (2020). httpcode: ‘HTTP’ Status Code Helper. R
  package version 0.3.0. https://CRAN.R-project.org/package=httpcode
httpuv Joe Cheng and Winston Chang (2022). httpuv: HTTP and WebSocket Server Library. R package version 1.6.5. https://CRAN.R-project.org/package=httpuv
httr Hadley Wickham (2020). httr: Tools for Working with URLs and HTTP. R package version 1.4.2.https://CRAN.R-project.org/package=httr 
hunspell Jeroen Ooms (2020). hunspell: High-Performance Stemmer, Tokenizer, and Spell Checker. R package version 3.0.1. https://CRAN.R-project.org/package=hunspell
ids Rich FitzJohn (2017). ids: Generate Random Identifiers. R package
  version 1.0.1. https://CRAN.R-project.org/package=ids
igraph Jeroen Ooms (2020). hunspell: High-Performance Stemmer, Tokenizer, and Spell Checker. R package version 3.0.1. https://CRAN.R-project.org/package=hunspell
infer Andrew Bray, Chester Ismay, Evgeni Chasnovski, Simon Couch, Ben Baumer
  and Mine Cetinkaya-Rundel (2021). infer: Tidy Statistical Inference. R
  package version 1.0.0. https://CRAN.R-project.org/package=infer
ini David Valentim Dias (2018). ini: Read and Write ‘.ini’ Files. R package version 0.3.1. https://CRAN.R-project.org/package=ini 
intervals Richard Bourgon (2020). intervals: Tools for Working with Points and Intervals. R package version 0.15.2. https://CRAN.R-project.org/package=intervals
ipred Andrea Peters and Torsten Hothorn (2021). ipred: Improved Predictors. R package version 0.9-12. https://CRAN.R-project.org/package=ipred 
IRdisplay Thomas Kluyver, Philipp Angerer and Jan Schulz (2022). IRdisplay:
  ‘Jupyter’ Display Machinery. R package version 1.1.
  https://CRAN.R-project.org/package=Irdisplay
IRkernel Thomas Kluyver, Philipp Angerer, Jan Schulz and Karthik Ram (2022).
  IRkernel: Native R Kernel for the ‘Jupyter Notebook’. R package version
  1.3. https://CRAN.R-project.org/package=Irkernel
isoband Claus O. Wilke and Thomas Lin Pedersen (2021). isoband: Generate
  Isolines and Isobands from Regularly Spaced Elevation Grids. R package
  version 0.2.5. https://CRAN.R-project.org/package=isoband
iterators Revolution Analytics and Steve Weston (2022). iterators: Provides
  Iterator Construct. R package version 1.0.14.
  https://CRAN.R-project.org/package=iterators
jpeg Simon Urbanek (2021). jpeg: Read and write JPEG images. R package
  version 0.1-9. https://CRAN.R-project.org/package=jpeg
jquerylib Carson Sievert and Joe Cheng (2021). jquerylib: Obtain ‘jQuery’ as an
  HTML Dependency Object. R package version 0.1.4.
  https://CRAN.R-project.org/package=jquerylib
jsonify David Cooley (2020). jsonify: Convert Between ‘R’ Objects and
  Javascript Object Notation (JSON). R package version 1.2.1.
  https://CRAN.R-project.org/package=jsonify
jsonlite Jeroen Ooms (2014). The jsonlite Package: A Practical and Consistent
  Mapping Between JSON Data and R Objects. arXiv:1403.2805 [stat.CO] URL
  https://arxiv.org/abs/1403.2805.
kernlab Alexandros Karatzoglou, Alex Smola, Kurt Hornik, Achim Zeileis (2004). kernlab – An S4 Package for Kernel Methods in R. Journal of Statistical Software 11(9), 1-20. URL http://www.jstatsoft.org/v11/i09/  
KernSmooth  Matt Wand (2021). KernSmooth: Functions for Kernel Smoothing Supporting
  Wand & Jones (1995). R package version 2.23-20.
  https://CRAN.R-project.org/package=KernSmooth
knitr Yihui Xie (2021). knitr: A General-Purpose Package for Dynamic Report Generation in R. R package version 1.37. Yihui Xie (2015) Dynamic Documents with R and knitr. 2nd edition. Chapman and Hall/CRC. ISBN 978-1498716963

Yihui Xie (2014) knitr: A Comprehensive Tool for Reproducible Research in R. In Victoria Stodden, Friedrich Leisch and Roger D. Peng, editors, Implementing Reproducible Computational Research. Chapman and Hall/CRC. ISBN 978-1466561595 
ks Tarn Duong (2021). ks: Kernel Smoothing. R package version 1.13.3. https://CRAN.R-project.org/package=ks 
labeling Justin Talbot, (2020). labeling: Axis Labeling. R  package version 0.4.2. https://CRAN.R-project.org/package=labeling 
Lahman Michael Friendly, Chris Dalzell, Martin Monkman and Dennis Murphy (2021). Lahman: Sean ‘Lahman’ Baseball Database. R package version 9.0-0. https://CRAN.R-project.org/package=Lahman 
later Winston Chang and Joe Cheng (2021). later: Utilities for Scheduling Functions to Execute Later with Event Loops. R package version 1.3.0. https://CRAN.R-project.org/package=later 
lattice  Sarkar, Deepayan (2008) Lattice: Multivariate Data Visualization with
  R. Springer, New York. ISBN 978-0-387-75968-5
latticeExtra Deepayan Sarkar and Felix Andrews (2019). latticeExtra: Extra Graphical Utilities Based on Lattice. R package version 0.6-29. https://CRAN.R-project.org/package=latticeExtra 
lava Klaus K. Holst and Esben Budtz-Joergensen (2013). Linear Latent Variable Models: The lava-package. Computational Statistics, 28 (4), pp. 1385-1452. doi: 10.1007/s00180-012-0344-y. Klaus K. Holst and Esben Budtz-Joergensen (2020). A two-stage estimation procedure for non-linear structural equation models. Biostatistics, 21 (4), pp. 676-691. doi: 10.1093/biostatistics/kxy082.
lazyeval Hadley Wickham (2019). lazyeval: Lazy (Non-Standard) Evaluation. R package version 0.2.2. https://CRAN.R-project.org/package=lazyeval 
leafem Tim Appelhans (2022). leafem: ‘leaflet’ Extensions for ‘mapview’. R
  package version 0.2.0. https://CRAN.R-project.org/package=leafem
leaflet Joe Cheng, Bhaskar Karambelkar and Yihui Xie (2022). leaflet: Create
  Interactive Web Maps with the JavaScript ‘Leaflet’ Library. R package
  version 2.1.1. https://CRAN.R-project.org/package=leaflet
leaflet.providers Leslie Huang (2019). leaflet.providers: Leaflet Providers. R package
  version 1.9.0. https://CRAN.R-project.org/package=leaflet.providers
leafsync Tim Appelhans and Kenton Russell (2019). leafsync: Small Multiples for
  Leaflet Web Maps. R package version 0.1.0.
  https://CRAN.R-project.org/package=leafsync
lhs Rob Carnell (2022). lhs: Latin Hypercube Samples. R package version
  1.1.5. https://CRAN.R-project.org/package=lhs
lifecycle Lionel Henry and Hadley Wickham (2021). lifecycle: Manage the Life Cycle of your Package Functions. R package version 1.0.1. https://CRAN.R-project.org/package=lifecycle 
lintr Jim Hester, Florent Angly and Russ Hyde (2020). lintr: A ‘Linter’ for R Code. R package version 2.0.1. https://CRAN.R-project.org/package=lintr 
listenv Henrik Bengtsson (2019). listenv: Environments Behaving (Almost) as
  Lists. R package version 0.8.0.
  https://CRAN.R-project.org/package=listenv
lme4 Douglas Bates, Martin Maechler, Ben Bolker, Steve Walker (2015). Fitting Linear Mixed-Effects Models Using lme4. Journal of Statistical Software, 67(1),1-48. doi:10.18637/jss.v067.i01. 
lmtest Achim Zeileis, Torsten Hothorn (2002). Diagnostic Checking in
  Regression Relationships. R News 2(3), 7-10. URL
  https://CRAN.R-project.org/doc/Rnews/
loggcondens Lutz Duembgen, Kaspar Rufibach (2011). logcondens: Computations Related to Univariate Log-Concave Density Estimation. Journal of Statistical Software, 39(6), 1-28. DOI https://doi.org/10.18637/jss.v039.i06
lubridate Garrett Grolemund, Hadley Wickham (2011). Dates and Times Made Easy with lubridate. Journal of Statistical Software, 40(3), 1-25. URL  https://www.jstatsoft.org/v40/i03/
lwgeom Edzer Pebesma (2021). lwgeom: Bindings to Selected ‘liblwgeom’ Functions for Simple Features. R package version 0.2-8. https://CRAN.R-project.org/package=lwgeom 
magrittr Stefan Milton Bache and Hadley Wickham (2022). rmagrittr: A Forward-Pipe Operator for R. R package version 2.0.2. https://CRAN.R-project.org/package=magrittr 
mapdata Original S code by Richard A. Becker and Allan R. Wilks. R version by Ray Brownrigg. (2018). mapdata: Extra Map Databases. R package version 2.3.0. https://CRAN.R-project.org/package=mapdata 
mapdeck David Cooley (2020). mapdeck: Interactive Maps Using ‘Mapbox GL JS’ and
  ‘Deck.gl’. R package version 0.3.4.
  https://CRAN.R-project.org/package=mapdeck
mapproj Doug McIlroy. Packaged for R by Ray Brownrigg, Thomas P Minka and transition to Plan 9 codebase by Roger Bivand. (2022). mapproj: Map Projections. R package version 1.2.8. https://CRAN.R-project.org/package=mapproj 
maps Original S code by Richard A. Becker, Allan R. Wilks. R version by Ray Brownrigg. Enhancements by Thomas P Minka and Alex Deckmyn. (2021). maps: Draw Geographical Maps. R package version 3.4.0. https://CRAN.R-project.org/package=maps 
maptools Roger Bivand and Nicholas Lewin-Koh (2021). maptools: Tools for Handling Spatial Objects. R package version 1.1-2. https://CRAN.R-project.org/package=maptools 
markdown JJ Allaire, Jeffrey Horner, Yihui Xie, Vicent Marti and Natacha Porte (2019). Markdown: Render Markdown with the C Library ‘Sundown’. R package version 1.1. https://CRAN.R-project.org/package=markdown 
MASS    Venables, W. N. & Ripley, B. D. (2002) Modern Applied Statistics with
  S. Fourth Edition. Springer, New York. ISBN 0-387-95457-0
Matrix Douglas Bates, Martin Maechler and Mikael Jagan (2022). Matrix: Sparse
  and Dense Matrix Classes and Methods. R package version 1.4-1.
  https://CRAN.R-project.org/package=Matrix
MatrixModels Douglas Bates and Martin Maechler (2021). MatrixModels: Modelling with Sparse and Dense Matrices. R package version 0.5-0. https://CRAN.R-project.org/package=MatrixModels
matrixStats Henrik Bengtsson (2022). matrixStats: Functions that Apply to Rows and
  Columns of Matrices (and to Vectors). R package version 0.62.0.
  https://CRAN.R-project.org/package=matrixStats
maxnet Steven Phillips (2021). maxnet: Fitting ‘Maxent’ Species Distribution
  Models with ‘glmnet’. R package version 0.1.4.
  https://CRAN.R-project.org/package=maxnet
mclust Scrucca L., Fop M., Murphy T. B. and Raftery A. E. (2016) mclust 5: clustering, classification and density estimation using Gaussian finite mixture models The R Journal 8/1, pp. 289-317
mda S original by Trevor Hastie & Robert Tibshirani. Original R port by Friedrich Leisch, Kurt Hornik and Brian D. Ripley. Balasubramanian Narasimhan has contributed to the upgrading of the code. (2020). mda: Mixture and Flexible Discriminant Analysis. R package version 0.5-2. https://CRAN.R-project.org/package=mda
memoise Hadley Wickham, Jim Hester, Winston Chang, Kirill Müller and Daniel Cook (2021). memoise: ‘Memoisation’ of Functions. R package version 2.0.1. https://CRAN.R-project.org/package=memoise
methods  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
mgcv  Wood, S.N. (2011) Fast stable restricted maximum likelihood and
  marginal likelihood estimation of semiparametric generalized linear
  models. Journal of the Royal Statistical Society (B) 73(1):3-36

  Wood S.N., N. Pya and B. Saefken (2016) Smoothing parameter and model
  selection for general smooth models (with discussion). Journal of the
  American Statistical Association 111:1548-1575.

  Wood, S.N. (2004) Stable and efficient multiple smoothing parameter
  estimation for generalized additive models. Journal of the American
  Statistical Association. 99:673-686.

  Wood, S.N. (2017) Generalized Additive Models: An Introduction with R
  (2nd edition). Chapman and Hall/CRC.

  Wood, S.N. (2003) Thin-plate regression splines. Journal of the Royal
  Statistical Society (B) 65(1):95-114.
microbenchmark Olaf Mersmann (2021). microbenchmark: Accurate Timing Functions. R package version 1.4.9. https://CRAN.R-project.org/package=microbenchmark 
MigClim Warning in install.packages : package ‘MigClim’ is not available for this version of R
mime Yihui Xie (2021). mime: Map Filenames to MIME Types. R package version 0.12. https://CRAN.R-project.org/package=mime 
mmap Jeffrey A. Ryan (2020). mmap: Map Pages of Memory. R package version 0.6-19. https://CRAN.R-project.org/package=mmap 
mockery Warning in install.packages :  package ‘mockey’ is not available for this version of R
modeldata Max Kuhn (2021). modeldata: Data Sets Used Useful for Modeling
  Packages. R package version 0.1.1.
  https://CRAN.R-project.org/package=modeldata
ModelMetrics Tyler Hunt (2020). ModelMetrics: Rapid Calculation of Model Metrics. R package version 1.2.2.2. https://CRAN.R-project.org/package=ModelMetrics 
modelr Hadley Wickham (2020). modelr: Modelling Functions that Work with the
  Pipe. R package version 0.1.8.
  https://CRAN.R-project.org/package=modelr
multcomp Torsten Hothorn, Frank Bretz and Peter Westfall   (2008). Simultaneous Inference in General Parametric Models. Biometrical Journal 50(3), 346–363.
multicool James Curran, Aaron Williams, Jerome Kelleher and Dave Barber (2021). multicool: Permutations of Multisets in Cool-Lex Order. R package version 0.1-12. https://CRAN.R-project.org/package=multicool 
munsell Charlotte Wickham (2018). munsell: Utilities for Using Munsell Colours.
  R package version 0.5.0. https://CRAN.R-project.org/package=munsell
mvtnorm Alan Genz, Frank Bretz, Tetsuhisa Miwa, Xuefei Mi, Friedrich Leisch, Fabian Scheipl, Torsten Hothorn (2021). mvtnorm: Multivariate Normal and t Distributions. R package version 1.1-3. URL http://CRAN.R-project.org/package=mvtnorm Alan Genz, Frank Bretz (2009), Computation of Multivariate Normal and t Probabilities. Lecture Notes in Statistics, Vol. 195., Springer-Verlag, Heidelberg. ISBN 978-3-642-01688-2 
ncdf4 David Pierce (2021). ncdf4: Interface to Unidata netCDF (Version 4 or Earlier) Format Data Files. R package version 1.19. https://CRAN.R-project.org/package=ncdf4
nlme  José Pinheiro, Douglas Bates and R Core Team (2022). nlme: Linear and
  Nonlinear Mixed Effects Models. R package version 3.1-157.
  https://CRAN.R-project.org/package=nlme
nloptr Steven G. Johnson, The NLopt nonlinear-optimization package, https://nlopt.readthedocs.io/en/latest/ 
nnet Venables, W. N. & Ripley, B. D. (2002) Modern Applied Statistics with
  S. Fourth Edition. Springer, New York. ISBN 0-387-95457-0
numDeriv Paul Gilbert and Ravi Varadhan (2019). numDeriv: Accurate Numerical Derivatives. R package version 2016.8-1.1. https://CRAN.R-project.org/package=numDeriv 
nycflights13 Hadley Wickham (2021). nycflights13: Flights that Departed NYC in 2013. R package version 1.0.2. https://CRAN.R-project.org/package=nycflights13 
oai   Scott Chamberlain and Michal Bojanowski (2021). oai: General Purpose
  ‘Oai-PMH’ Services Client. R package version 0.3.2.
  https://CRAN.R-project.org/package=oai
openssl Jeroen Ooms (2021). openssl: Toolkit for Encryption, Signatures and Certificates Based on OpenSSL. R package version 1.4.6. https://CRAN.R-project.org/package=openssl
openxlsx Philipp Schauberger and Alexander Walker (2021). openxlsx: Read, Write
  and Edit xlsx Files. R package version 4.2.5.
  https://CRAN.R-project.org/package=openxlsx
ordinal Christensen, R. H. B. (2019). ordinal – Regression Models for Ordinal Data. R package version 2019.12-10. https://CRAN.R-project.org/package=ordinal
parallel  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
parallelly Henrik Bengtsson (2022). parallelly: Enhancing the ‘parallel’ Package.
  R package version 1.31.1. https://CRAN.R-project.org/package=parallelly
parsedate Gábor Csárdi and Linus Torvalds (2021). parsedate: Recognize and Parse Dates in Various Formats,  Including All ISO 8601 Formats. R package version 1.2.1. https://CRAN.R-project.org/package=parsedate 
parsnip Max Kuhn and Davis Vaughan (2022). parsnip: A Common API to Modeling
  and Analysis Functions. R package version 0.2.1.
  https://CRAN.R-project.org/package=parsnip
patchwork Thomas Lin Pedersen (2020). patchwork: The Composer of Plots. R package
  version 1.1.1. https://CRAN.R-project.org/package=patchwork
pbdZMQ Chen, W.-C., Schmidt, D., Heckendorf, C., and Ostrouchov, G. (2015)
  pbdZMQ: Programming with Big Data — Interface to ZeroMQ. R Package,
  URL https://cran.r-project.org/package=pbdZMQ

  Chen, W.-C. and Schmidt, D. (2015) A Quick Guide for the pbdZMQ
  Package. R Vignette, URL https://cran.r-project.org/package=pbdZMQ
pbkrtest Ulrich Halekoh, Søren Højsgaard (2014). A Kenward-Roger Approximation
  and Parametric Bootstrap Methods for Tests in Linear Mixed Models – The
  R Package pbkrtest. Journal of Statistical Software, 59(9), 1-30. URL
  https://www.jstatsoft.org/v59/i09/.
pdp Brandon M. Greenwell (2017). pdp: An R Package for Constructing Partial Dependence Plots. The R Journal, 9(1), 421–436. URL https://journal.r-project.org/archive/2017/RJ-2017-016/index.html.
permute Gavin L. Simpson (2022). permute: Functions for Generating Restricted Permutations of Data. R package version 0.9-7. https://CRAN.R-project.org/package=permute 
pillar Kirill Müller and Hadley Wickham (2022). pillar: Coloured Formatting
  for Columns. R package version 1.7.0.
  https://CRAN.R-project.org/package=pillar
Pingr Gábor Csárdi (2020). pingr: Check if a Remote Computer is Up. R package version 2.0.1. https://CRAN.R-project.org/package=pingr 
pkgbuild Hadley Wickham, Jim Hester and Gábor Csárdi (2021). pkgbuild: Find Tools Needed to Build R Packages. R package version 1.3.1. https://CRAN.R-project.org/package=pkgbuild
pkgconfig Gábor Csárdi (2019). pkgconfig: Private Configuration for ‘R’ Packages. R package version 2.0.3. https://CRAN.R-project.org/package=pkgconfig 
pkgdown Hadley Wickham, Jay Hesselberth and Maëlle Salmon (2022). pkgdown: Make Static HTML Documentation for a Package. R package version 2.0.3. https://CRAN.R-project.org/package=pkgdown
pkgload Hadley Wickham, Winston Chang, Jim Hester and Lionel Henry (2021).
  pkgload: Simulate Package Installation and Attach. R package version
  1.2.4. https://CRAN.R-project.org/package=pkgload
plogr Kirill Müller (2018). plogr: The ‘plog’ C++ Logging Library. R package version 0.2.0. https://CRAN.R-project.org/package=plogr
plotmo Stephen Milborrow (2021). plotmo: Plot a Model’s Residuals, Response, and Partial Dependence Plots. R package version 3.6.1. https://CRAN.R-project.org/package=plotmo 
plotrix Lemon, J. (2006) Plotrix: a package in the red light district of R. R-News, 6(4): 8-12.
plyr Hadley Wickham (2011). The Split-Apply-Combine Strategy for Data Analysis. Journal of Statistical Software, 40(1), 1-29. URL http://www.jstatsoft.org/v40/i01/.
png Simon Urbanek (2013). png: Read and write PNG images. R package version 0.1-7. https://CRAN.R-project.org/package=png 
poibin Yili Hong and R Core Team (2020). poibin: The Poisson Binomial Distribution. R package version 1.5. https://CRAN.R-project.org/package=poibin 
polspline Charles Kooperberg (2020). polspline: Polynomial Spline Routines. R package version 1.1.19. https://CRAN.R-project.org/package=polspline 
polyclip Angus Johnson and Adrian Baddeley (2019). polyclip: Polygon Clipping. R package version 1.10-0. https://CRAN.R-project.org/package=polyclip 
praise Gabor Csardi and Sindre Sorhus (2015). praise: Praise Users. R package version 1.0.0. https://CRAN.R-project.org/package=praise 
PresenceAbsence Freeman, E. A. and Moisen, G. (2008). PresenceAbsence: An R Package for Presence-Absence Model Analysis. Journal of Statistical Software, 23(11):1-31. http://www.jstatsoft.org/v23/i11
prettyunits Gabor Csardi (2020). prettyunits: Pretty, Human Readable Formatting of Quantities. R package version 1.1.1. https://CRAN.R-project.org/package=prettyunits 
pROC Xavier Robin, Natacha Turck, Alexandre Hainard, Natalia Tiberti, Frédérique Lisacek, Jean-Charles Sanchez and Markus Müller (2011). pROC: an open-source package for R and S+ to analyze and compare ROC curves. BMC Bioinformatics, 12, p. 77. DOI: 10.1186/1471-2105-12-77 http://www.biomedcentral.com/1471-2105/12/77/ 
processx Gábor Csárdi and Winston Chang (2021). processx: Execute and Control System Processes. R package version 3.5.2. https://CRAN.R-project.org/package=processx 
prodlim Thomas A. Gerds (2019). prodlim: Product-Limit Estimation for Censored Event History Analysis. R package version 2019.11.13. https://CRAN.R-project.org/package=prodlim 
profvis Thomas A. Gerds (2019). prodlim: Product-Limit Estimation for Censored Event History Analysis. R package version 2019.11.13. https://CRAN.R-project.org/package=prodlim 
progress Gábor Csárdi and Rich FitzJohn (2019). progress: Terminal Progress
  Bars. R package version 1.2.2.
  https://CRAN.R-project.org/package=progress
progressr Henrik Bengtsson (2021). progressr: An Inclusive, Unifying API for
  Progress Updates. R package version 0.10.0.
  https://CRAN.R-project.org/package=progressr
promises Joe Cheng (2021). promises: Abstractions for Promise-Based Asynchronous Programming. R package version 1.2.0.1. https://CRAN.R-project.org/package=promises 
proxy David Meyer and Christian Buchta (2021). proxy: Distance and Similarity
  Measures. R package version 0.4-26.
  https://CRAN.R-project.org/package=proxy
ps Jay Loden, Dave Daeschler, Giampaolo Rodola’ and Gábor Csárdi (2021). ps: List, Query, Manipulate System Processes. R package version 1.6.0. https://CRAN.R-project.org/package=ps 
purrr Lionel Henry and Hadley Wickham (2020). purrr: Functional Programming Tools. R package version 0.3.4. https://CRAN.R-project.org/package=purrr 
quadprog S original by Berwin A. Turlach R port by Andreas Weingessel
  <Andreas.Weingessel@ci.tuwien.ac.at> Fortran contributions from Cleve
  Moler dpodi/LINPACK) (2019). quadprog: Functions to Solve Quadratic
  Programming Problems. R package version 1.5-8.
  https://CRAN.R-project.org/package=quadprog
quantmod Jeffrey A. Ryan and Joshua M. Ulrich (2022). quantmod: Quantitative
  Financial Modelling Framework. R package version 0.4.20.
  https://CRAN.R-project.org/package=quantmod
quantreg Roger Koenker (2022). quantreg: Quantile Regression. R package version 5.88. https://CRAN.R-project.org/package=quantreg 
R.methodsS3 Bengtsson, H. The R.oo package – Object-Oriented Programming with References Using Standard R Code, Proceedings of the 3rd International Workshop on Distributed Statistical Computing (DSC 2003), ISSN 1609-395X, Hornik, K.; Leisch, F. & Zeileis, A. (ed.), 2003
R.oo Bengtsson, H. The R.oo package – Object-Oriented Programming with References Using Standard R Code, Proceedings of the 3rd International Workshop on Distributed Statistical Computing (DSC 2003), ISSN 1609-395X, Hornik, K.; Leisch, F. & Zeileis, A. (ed.), 2003
R.utils Henrik Bengtsson (2021). R.utils: Various Programming Utilities. R package version 2.11.0. https://CRAN.R-project.org/package=R.utils 
R6 Winston Chang (2021). R6: Encapsulated Classes with Reference Semantics. R package version 2.5.1. https://CRAN.R-project.org/package=R6 
randomForest A. Liaw and M. Wiener (2002). Classification and Regression by randomForest. R News 2(3), 18–22.
randomForestSRC

Ishwaran H. and Kogalur U.B. (2022). Fast Unified Random Forests for Survival, Regression, and Classification (RF-SRC), R package version 3.1.0.

Ishwaran H. and Kogalur U.B. (2007). Random survival forests for R. R News 7(2), 25–31.

Ishwaran H., Kogalur U.B., Blackstone E.H. and Lauer M.S. (2008). Random survival forests. Ann. Appl. Statist. 2(3), 841–860.

rangeModelMetadata Cory Merow, Brian Maitner, Hannah Owens, Jamie Kass, Brian Enquist, Rob
  Guralnik, Damaris Zurrell and Christian Koenig (2021).
  rangeModelMetadata: Provides Templates for Metadata Files Associated
  with Species Range Models. R package version 0.1.4.
  https://CRAN.R-project.org/package=rangeModelMetadata
rapidjsonr David Cooley (2020). rapidjsonr: ‘Rapidjson’ C++ Header Files. R
  package version 1.2.0. https://CRAN.R-project.org/package=rapidjsonr
rappdirs Sridhar Ratnakumar, Trent Mick and Trevor Davis (2021). rappdirs: Application Directories: Determine Where to Save Data, Caches, and Logs. R package version 0.3.3. https://CRAN.R-project.org/package=rappdirs 
raster Robert J. Hijmans (2020). raster: Geographic Data Analysis and
  Modeling. R package version 3.1-5.
  https://CRAN.Rproject.org/package=raster
rasterVis Oscar Perpinan Lamigueiro and Robert Hijmans (2022), rasterVis. R   package version 0.51.2.
rbison Scott Chamberlain (2020). rbison: Interface to the ‘USGS’ ‘BISON’ API.
  R package version 1.0.0. https://CRAN.R-project.org/package=rbison
rcmdcheck Gábor Csárdi (2021). rcmdcheck: Run ‘R CMD check’ from ‘R’ and Capture
  Results. R package version 1.4.0.
https://CRAN.Rproject.org/package=rcmdcheck
RColorBrewer  Erich Neuwirth (2014). RColorBrewer: ColorBrewer Palettes. R package
  version 1.1-2. https://CRAN.R-project.org/package=RColorBrewer
Rcpp Dirk Eddelbuettel and Romain Francois (2011). Rcpp: Seamless R and C++
  Integration. Journal of Statistical Software, 40(8), 1-18. URL
  http://www.jstatsoft.org/v40/i08/.

  Eddelbuettel, Dirk (2013) Seamless R and C++ Integration with Rcpp.
  Springer, New York. ISBN 978-1-4614-6867-7.

  Dirk Eddelbuettel and James Joseph Balamuta (2017). Extending R with
  C++: A Brief Introduction to Rcpp. PeerJ Preprints 5:e3188v1. URL
  https://doi.org/10.7287/peerj.preprints.3188v1.
RcppArmadillo Dirk Eddelbuettel, Conrad Sanderson (2014). RcppArmadillo: Accelerating
  R with high-performance C++ linear algebra. Computational Statistics
  and Data Analysis, Volume 71, March 2014, pages 1054-1063. URL
  http://dx.doi.org/10.1016/j.csda.2013.02.005
RcppEigen  Douglas Bates, Dirk Eddelbuettel (2013). Fast and Elegant Numerical
  Linear Algebra Using the RcppEigen Package. Journal of Statistical
  Software, 52(5), 1-24. URL https://www.jstatsoft.org/v52/i05/.
RCurl Duncan Temple Lang (2022). RCurl: General Network (HTTP/FTP/…) Client
  Interface for R. R package version 1.98-1.6.
  https://CRAN.R-project.org/package=Rcurl
readr  Hadley Wickham, Jim Hester and Romain Francois (2018). readr: Read
  Rectangular Text Data. R package version 1.3.1.
  https://CRAN.R-project.org/package=readr
readxl Hadley Wickham and Jennifer Bryan (2022). readxl: Read Excel Files. R
  package version 1.4.0. https://CRAN.R-project.org/package=readxl
rebird Rafael Maia, Scott Chamberlain, Andy Teucher and Sebastian Pardo
  (2021). rebird: R Client for the eBird Database of Bird Observations. R
  package version 1.3.0. https://CRAN.R-project.org/package=rebird
recipes  Max Kuhn and Hadley Wickham (2022). recipes: Preprocessing and Feature
  Engineering Steps for Modeling. R package version 0.2.0.
  https://CRAN.R-project.org/package=recipes
rematch Gabor Csardi (2016). rematch: Match Regular Expressions with a Nicer
  ‘API’. R package version 1.0.1.
  https://CRAN.R-project.org/package=rematch
rematch2  Gábor Csárdi (2020). rematch2: Tidy Output from Regular Expression
  Matching. R package version 2.1.2.
  https://CRAN.R-project.org/package=rematch2
remotes  Gábor Csárdi, Jim Hester, Hadley Wickham, Winston Chang, Martin Morgan
  and Dan Tenenbaum (2021). remotes: R Package Installation from Remote
  Repositories, Including ‘GitHub’. R package version 2.4.2.
  https://CRAN.R-project.org/package=remotes
repr Philipp Angerer, Thomas Kluyver and Jan Schulz (2022). repr:
  Serializable Representations. R package version 1.1.4.
  https://CRAN.R-project.org/package=repr
reprex Jennifer Bryan, Jim Hester, David Robinson and Hadley Wickham (2021).
  reprex: Prepare Reproducible Example Code via the Clipboard. R package
  version 2.0.1. https://CRAN.R-project.org/package=reprex
reshape  H. Wickham. Reshaping data with the reshape package. Journal of
  Statistical Software, 21(12), 2007.
reshape2 Hadley Wickham (2007). Reshaping Data with the reshape Package.
  Journal of Statistical Software, 21(12), 1-20. URL
  http://www.jstatsoft.org/v21/i12/.
rex  Kevin Ushey, Jim Hester and Robert Krzyzanowski (2021). rex: Friendly
  Regular Expressions. R package version 1.2.1.
  https://CRAN.R-project.org/package=rex
rgbif Chamberlain S, Barve V, Mcglinn D, Oldoni D, Desmet P, Geffert L, Ram K
(2022). _rgbif: Interface to the Global Biodiversity Information Facility
API_. R package version 3.7.2, <URL:
https://CRAN.R-project.org/package=rgbif>.

Chamberlain S, Boettiger C (2017). “R Python, and Ruby clients for GBIF
species occurrence data.” _PeerJ PrePrints_. <URL:
https://doi.org/10.7287/peerj.preprints.3304v1>.
rgdal  Roger Bivand, Tim Keitt and Barry Rowlingson (2019). rgdal: Bindings
  for the ‘Geospatial’ Data Abstraction Library. R package version
  1.4-8. https://CRAN.R-project.org/package=rgdal
rgeos  Roger Bivand and Colin Rundel (2020). rgeos: Interface to Geometry
  Engine – Open Source (‘GEOS’). R package version 0.5-3.
  https://CRAN.R-project.org/package=rgeos
RgoogleMaps Markus Loecher and Karl Ropkins (2015). RgoogleMaps and loa: Unleashing
  R Graphics Power on Map Tiles. Journal of Statistical Software 63(4),
  1-18. URL http://www.jstatsoft.org/v63/i04/.
rhub Gábor Csárdi and Maëlle Salmon (2019). rhub: Connect to ‘R-hub’. R
  package version 1.1.1. https://CRAN.R-project.org/package=rhub
ridigbio Francois Michonneau and Matthew Collins (2017). ridigbio: Interface to
  the iDigBio Data API. R package version 0.3.5.
  https://CRAN.R-project.org/package=ridigbio
rio Chung-hong Chan, Geoffrey CH Chan, Thomas J. Leeper, and Jason Becker
  (2021). rio: A Swiss-army knife for data file I/O. R package version
  0.5.29.
rJava  Simon Urbanek (2021). rJava: Low-Level R to Java Interface. R package
  version 1.0-6. https://CRAN.R-project.org/package=rJava
rjson 

Alex Couture-Beil (2022). rjson: JSON for R. R package version 0.2.21.

  https://CRAN.R-project.org/package=rjson

rlang  Lionel Henry and Hadley Wickham (2022). rlang: Functions for Base
  Types and Core R and ‘Tidyverse’ Features. R package version 1.0.2.
  https://CRAN.R-project.org/package=rlang
rmarkdown Yihui Xie and J.J. Allaire and Garrett Grolemund (2018). R Markdown:
  The Definitive Guide. Chapman and Hall/CRC. ISBN 9781138359338. URL
  https://bookdown.org/yihui/rmarkdown.

  Yihui Xie and Christophe Dervieux and Emily Riederer (2020). R
  Markdown Cookbook. Chapman and Hall/CRC. ISBN 9780367563837. URL
  https://bookdown.org/yihui/rmarkdown-cookbook.
rms  Frank E Harrell Jr (2021). rms: Regression Modeling Strategies. R
  package version 6.2-0. https://CRAN.R-project.org/package=rms
RMySQL  Jeroen Ooms, David James, Saikat DebRoy, Hadley Wickham and Jeffrey
  Horner (2021). RMySQL: Database Interface and ‘MySQL’ Driver for R. R
  package version 0.10.23. https://CRAN.R-project.org/package=RMySQL
RODBC Brian Ripley and Michael Lapsley (2021). RODBC: ODBC Database Access. R
  package version 1.3-19. https://CRAN.R-project.org/package=RODBC
roxygen2 Hadley Wickham, Peter Danenberg, Gábor Csárdi and Manuel Eugster
  (2021). roxygen2: In-Line Documentation for R. R package version 7.1.2.
  https://CRAN.R-project.org/package=roxygen2
rpart  Terry Therneau and Beth Atkinson (2022). rpart: Recursive Partitioning
  and Regression Trees. R package version 4.1.16.
  https://CRAN.R-project.org/package=rpart
RPostgreSQL  Joe Conway, Dirk Eddelbuettel, Tomoaki Nishiyama, Sameer Kumar Prayaga
  and Neil Tiffin (2021). RPostgreSQL: R Interface to the ‘PostgreSQL’
  Database System. R package version 0.7-3.
  https://CRAN.R-project.org/package=RPostgreSQL
rprojroot  Kirill Müller (2022). rprojroot: Finding Files in Project
  Subdirectories. R package version 2.0.3.
  https://CRAN.R-project.org/package=rprojroot
rsample Julia Silge, Fanny Chow, Max Kuhn and Hadley Wickham (2021). rsample:
  General Resampling Infrastructure. R package version 0.1.1.
  https://CRAN.R-project.org/package=rsample
RSQLite  Kirill Müller, Hadley Wickham, David A. James and Seth Falcon (2022).
  RSQLite: SQLite Interface for R. R package version 2.2.14.
  https://CRAN.R-project.org/package=RSQLite
rstudioapi Kevin Ushey, JJ Allaire, Hadley Wickham and Gary Ritchie (2020).
  rstudioapi: Safely Access the RStudio API. R package version 0.13.
  https://CRAN.R-project.org/package=rstudioapi
RUnit  Matthias Burger, Klaus Juenemann and Thomas Koenig (2018). RUnit: R
  Unit Test Framework. R package version 0.4.32.
  https://CRAN.R-project.org/package=Runit
rversions  Gábor Csárdi (2021). rversions: Query ‘R’ Versions, Including
  ‘r-release’ and ‘r-oldrel’. R package version 2.1.1.
  https://CRAN.R-project.org/package=rversions
rvertnet Scott Chamberlain (2021). rvertnet: Search ‘Vertnet’, a ‘Database’ of
  Vertebrate Specimen Records. R package version 0.8.2.
  https://CRAN.R-project.org/package=rvertnet
rvest  Hadley Wickham (2021). rvest: Easily Harvest (Scrape) Web Pages. R
  package version 1.0.2. https://CRAN.R-project.org/package=rvest
s2 Dewey Dunnington, Edzer Pebesma and Ege Rubak (2021). s2: Spherical
  Geometry Operators Using the S2 Geometry Library. R package version
  1.0.7. https://CRAN.R-project.org/package=s2
sandwich Zeileis A, Köll S, Graham N (2020). “Various Versatile Variances: An
Object-Oriented Implementation of Clustered Covariances in R.” _Journal
of Statistical Software_, *95*(1), 1-36. doi: 10.18637/jss.v095.i01 (URL:
https://doi.org/10.18637/jss.v095.i01).

If sandwich is applied to lm() models, please also cite:

Zeileis A (2004). “Econometric Computing with HC and HAC Covariance
Matrix Estimators.” _Journal of Statistical Software_, *11*(10), 1-17.
doi: 10.18637/jss.v011.i10 (URL: https://doi.org/10.18637/jss.v011.i10).

If sandwich is applied to models other than lm(), please also cite:

Zeileis A (2006). “Object-Oriented Computation of Sandwich Estimators.”
_Journal of Statistical Software_, *16*(9), 1-16. doi:
10.18637/jss.v016.i09 (URL: https://doi.org/10.18637/jss.v016.i09).
sass Joe Cheng, Timothy Mastny, Richard Iannone, Barret Schloerke and Carson
  Sievert (2022). sass: Syntactically Awesome Style Sheets (‘Sass’). R
  package version 0.4.1. https://CRAN.R-project.org/package=sass
scales  Hadley Wickham and Dana Seidel (2022). scales: Scale Functions for
  Visualization. R package version 1.2.0.
  https://CRAN.R-project.org/package=scales
SDMTools  VanDerWal J, Falconi A, Januchowski S, Shoo L and Storlie C (2014). SDMTools. http://www.rforge.net/SDMTools/
selectr  Potter S (2012). “Introducing the selectr Package.” The University of
Auckland, Auckland, New Zealand. <URL:
http://stattech.wordpress.fos.auckland.ac.nz/2012-10-introducing-the-selectr-package/>.
sessioninfo Hadley Wickham, Winston Chang, Robert Flight, Kirill Müller and Jim
  Hester (2021). sessioninfo: R Session Information. R package version
  1.2.2. https://CRAN.R-project.org/package=sessioninfo
sf  Pebesma, E., 2018. Simple Features for R: Standardized Support for
  Spatial Vector Data. The R Journal 10 (1), 439-446,
  https://doi.org/10.32614/RJ-2018-009
sfheaders David Cooley (2020). sfheaders: Converts Between R Objects and Simple
  Feature Objects. R package version 0.4.0.
  https://CRAN.R-project.org/package=sfheaders
sgeostat  S original by James J. Majure Iowa State University and R port +
  extensions by Albrecht Gebhardt (2016). sgeostat: An Object-Oriented
  Framework for Geostatistical Modeling in S+. R package version 1.0-27.
  https://CRAN.R-project.org/package=sgeostat
shape Karline Soetaert (2021). shape: Functions for Plotting Graphical
  Shapes, Colors. R package version 1.4.6.
  https://CRAN.R-project.org/package=shape
shiny  Winston Chang, Joe Cheng, JJ Allaire, Carson Sievert, Barret Schloerke,
  Yihui Xie, Jeff Allen, Jonathan McPherson, Alan Dipert and Barbara
  Borges (2021). shiny: Web Application Framework for R. R package
  version 1.7.1. https://CRAN.R-project.org/package=shiny
slider Davis Vaughan (2021). slider: Sliding Window Functions. R package
  version 0.2.2. https://CRAN.R-project.org/package=slider
snow Luke Tierney, A. J. Rossini, Na Li and H. Sevcikova (2021). snow:
  Simple Network of Workstations. R package version 0.4-4.
  https://CRAN.R-project.org/package=snow
snowfall  Jochen Knaus (2015). snowfall: Easier cluster computing (based on
  snow).. R package version 1.84-6.1.
  https://CRAN.R-project.org/package=snowfall
sourcetools  Kevin Ushey (2018). sourcetools: Tools for Reading, Tokenizing and
  Parsing R Code. R package version 0.1.7.
  https://CRAN.R-project.org/package=sourcetools
sp  Pebesma, E.J., R.S. Bivand, 2005. Classes and methods for spatial data
  in R. R News 5 (2), https://cran.r-project.org/doc/Rnews/.

  Roger S. Bivand, Edzer Pebesma, Virgilio Gomez-Rubio, 2013. Applied
  spatial data analysis with R, Second edition. Springer, NY.
  https://asdar-book.org/
spacetime Edzer Pebesma (2012). spacetime: Spatio-Temporal Data in R. Journal of
  Statistical Software, 51(7), 1-30. URL
  https://www.jstatsoft.org/v51/i07/.

  Roger S. Bivand, Edzer Pebesma, Virgilio Gomez-Rubio, 2013. Applied
  spatial data analysis with R, Second edition. Springer, NY.
  https://asdar-book.org/
spam    Furrer, R., Flury R. and Gerber, F. (2022).  spam: SPArse Matrix. R
  package version 2.8-0.  URL https://CRAN.R-project.org/package=spam

  Reinhard Furrer, Stephan R. Sain (2010). spam: A Sparse Matrix R
  Package with Emphasis on MCMC Methods for Gaussian Markov Random
  Fields. Journal of Statistical Software, 36(10), 1-25.
  https://doi.org/10.18637/jss.v036.i10.

  Florian Gerber, Reinhard Furrer (2015). Pitfalls in the Implementation
  of Bayesian Hierarchical Modeling of Areal Count Data: An Illustration
  Using BYM and Leroux Models. Journal of Statistical Software, Code
  Snippets, 63(1), 1-32. https://doi.org/10.18637/jss.v063.c01.

  F. Gerber, K. Moesinger, R. Furrer (2017), Extending R packages to
  support 64-bit compiled code: An illustration with spam64 and GIMMS
  NDVI3g data. Computer & Geoscience 104, 109-119,
  https://doi.org/10.1016/j.cageo.2016.11.015.
SparseM  Roger Koenker (2021). SparseM: Sparse Linear Algebra. R package version
  1.81. https://CRAN.R-project.org/package=SparseM
spatial  Venables, W. N. & Ripley, B. D. (2002) Modern Applied Statistics with
  S. Fourth Edition. Springer, New York. ISBN 0-387-95457-0
spatialwidget David Cooley (2020). spatialwidget: Formats Spatial Data for Use in
  Htmlwidgets. R package version 0.2.3.
  https://CRAN.R-project.org/package=spatialwidget
spatstat Adrian Baddeley, Ege Rubak, Rolf Turner (2015). Spatial Point Patterns:
  Methodology and Applications with R. London: Chapman and Hall/CRC
  Press, 2015. URL
  https://www.routledge.com/Spatial-Point-Patterns-Methodology-and-Applications-with-R/Baddeley-Rubak-Turner/9781482210200/

If you use hybrid models, please also cite:

  Adrian Baddeley, Rolf Turner, Jorge Mateu, Andrew Bevan (2013). Hybrids
  of Gibbs Point Process Models and Their Implementation. Journal of
  Statistical Software, 55(11), 1-43. DOI: 10.18637/jss.v055.i11

In survey articles, please cite the original paper on spatstat:

  Adrian Baddeley, Rolf Turner (2005). spatstat: An R Package for
  Analyzing Spatial Point Patterns. Journal of Statistical Software
  12(6), 1-42. DOI: 10.18637/jss.v012.i06
spatstat.core Adrian Baddeley, Ege Rubak, Rolf Turner (2015). Spatial Point Patterns:
  Methodology and Applications with R. London: Chapman and Hall/CRC
  Press, 2015. URL
  https://www.routledge.com/Spatial-Point-Patterns-Methodology-and-Applications-with-R/Baddeley-Rubak-Turner/9781482210200/
spatstat.data  Adrian Baddeley, Rolf Turner and Ege Rubak (2022). spatstat.data:
  Datasets for ‘spatstat’ Family. R package version 2.2-0.
  https://CRAN.R-project.org/package=spatstat.data
spatstat.geom Adrian Baddeley, Ege Rubak, Rolf Turner (2015). Spatial Point Patterns:
  Methodology and Applications with R. London: Chapman and Hall/CRC
  Press, 2015. URL
  https://www.routledge.com/Spatial-Point-Patterns-Methodology-and-Applications-with-R/Baddeley-Rubak-Turner/9781482210200/
spatstat.linnet Adrian Baddeley, Ege Rubak, Rolf Turner (2015). Spatial Point Patterns:
  Methodology and Applications with R. London: Chapman and Hall/CRC
  Press, 2015. URL
  https://www.routledge.com/Spatial-Point-Patterns-Methodology-and-Applications-with-R/Baddeley-Rubak-Turner/9781482210200/
spatstat.sparse Adrian Baddeley, Rolf Turner and Ege Rubak (2022). spatstat.sparse:
  Sparse Three-Dimensional Arrays and Linear Algebra Utilities. R package
  version 2.1-1. https://CRAN.R-project.org/package=spatstat.sparse
spatstat.utils  Adrian Baddeley, Rolf Turner and Ege Rubak (2022). spatstat.utils:
  Utility Functions for ‘spatstat’. R package version 2.3-1.
  https://CRAN.R-project.org/package=spatstat.utils
spelling  Jeroen Ooms and Jim Hester (2020). spelling: Tools for Spell Checking
  in R. R package version 2.2.
  https://CRAN.R-project.org/package=spelling
splancs Barry Rowlingson and Peter Diggle (2022). splancs: Spatial and
  Space-Time Point Pattern Analysis. R package version 2.01-43.
  https://CRAN.R-project.org/package=splancs
splines R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
spocc Scott Chamberlain (2021). spocc: Interface to Species Occurrence Data
  Sources. R package version 1.2.0.
  https://CRAN.R-project.org/package=spocc
spThin Aiello-Lammens, M. E., Boria, R. A., Radosavljevic, A. , Vilela, B. and
  Anderson, R. P. (2015). spThin: an R package for spatial thinning of
  species occurrence records for use in ecological niche models.
  Ecography, 38: 541-545. URL
  https://onlinelibrary.wiley.com/doi/10.1111/ecog.01132.
SQUAREM  Du Y, Varadhan R (2020). “SQUAREM: An R Package for Off-the-Shelf
Acceleration of EM, MM and Other EM-Like Monotone Algorithms.” _Journal
of Statistical Software_, *92*(7), 1-41. doi: 10.18637/jss.v092.i07 (URL:
https://doi.org/10.18637/jss.v092.i07).
stars  Edzer Pebesma (2021). stars: Spatiotemporal Arrays, Raster and Vector
  Data Cubes. R package version 0.5-5.
  https://CRAN.R-project.org/package=stars
statmod Giner, G, and Smyth, GK (2016). statmod: probability calculations for
  the inverse Gaussian distribution. R Journal 8(1), 339-351. (pinvgauss,
  qinvgauss, dinvguass and rinvgauss functions)

  Phipson B, and Smyth GK (2010). Permutation p-values should never be
  zero: calculating exact p-values when permutations are randomly drawn.
  Statistical Applications in Genetics and Molecular Biology, Volume 9,
  Issue 1, Article 39. (permp function)

  Hu, Y, and Smyth, GK (2009). ELDA: Extreme limiting dilution analysis
  for comparing depleted and enriched populations in stem cell and other
  assays. Journal of Immunological Methods 347, 70-78. (elda and limdil
  functions)

  Smyth, G. K. (1998). Optimization and nonlinear equations. In:
  Encyclopedia of Biostatistics, P. Armitage and T. Colton (eds.), Wiley,
  London, pp. 3174-3180. (glmgam.fit, glmnb.fit and fitNBP functions)

  Smyth, G. K. (1998). Numerical integration. In: Encyclopedia of
  Biostatistics, P. Armitage and T. Colton (eds.), Wiley, London, pp.
  3088-3095. (gauss.quad and gauss.quad.prob functions)

  Smyth, G. K. (2002). An efficient algorithm for REML in heteroscedastic
  regression. Journal of Computational and Graphical Statistics 11,
  836-847. (remlscore, randomizedBlock, and mixedModel2 functions)

  Dunn, P. K., and Smyth, G. K. (1996). Randomized quantile residuals. J.
  Comput. Graph. Statist., 5, 236-244. (qresid functions)
stats  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
stats4  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
stringdist  van der Loo M (2014). “The stringdist package for approximate string
matching.” _The R Journal_, *6*, 111-122. <URL:
https://CRAN.R-project.org/package=stringdist>.
stringi Gagolewski M (2021). “stringi: Fast and portable character string
processing in R.” _Journal of Statistical Software_. to appear.

Gagolewski M (2021). _stringi: Fast and portable character string
processing in R_. R package version 1.7.6, <URL:
https://stringi.gagolewski.com/>.
stringr  Hadley Wickham (2019). stringr: Simple, Consistent Wrappers for Common
  String Operations. R package version 1.4.0.
  https://CRAN.R-project.org/package=stringr
survival  Therneau T (2022). _A Package for Survival Analysis in R_. R package
version 3.3-1, <URL: https://CRAN.R-project.org/package=survival>.

Terry M. Therneau, Patricia M. Grambsch (2000). _Modeling Survival Data:
Extending the Cox Model_. Springer, New York. ISBN 0-387-98784-3.
svglite  Hadley Wickham, Lionel Henry, Thomas Lin Pedersen, T Jake Luciani,
  Matthieu Decorde and Vaudor Lise (2022). svglite: An ‘SVG’ Graphics
  Device. R package version 2.1.0.
  https://CRAN.R-project.org/package=svglite
svMisc Grosjean, Ph. (2022). SciViews-R. UMONS, Mons, Belgium. URL
  https://www.sciviews.org/SciViews-R/.
sys Jeroen Ooms (2020). sys: Powerful and Reliable Tools for Running System
  Commands in R. R package version 3.4.
  https://CRAN.R-project.org/package=sys
systemfonts  Thomas Lin Pedersen, Jeroen Ooms and Devon Govett (2022). systemfonts:
  System Native Font Finding. R package version 1.0.4.
  https://CRAN.R-project.org/package=systemfonts
tcltk R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
TeachingDemos  Greg Snow (2020). TeachingDemos: Demonstrations for Teaching and
  Learning. R package version 2.12.
  https://CRAN.R-project.org/package=TeachingDemos
tensor  Jonathan Rougier (2012). tensor: Tensor product of arrays. R package
  version 1.5. https://CRAN.R-project.org/package=tensor
terra Robert J. Hijmans (2022). terra: Spatial Data Analysis. R package
  version 1.5-21. https://CRAN.R-project.org/package=terra
testthat Hadley Wickham. testthat: Get Started with Testing. The R Journal, vol.
  3, no. 1, pp. 5–10, 2011
TH.data  Torsten Hothorn (2022). TH.data: TH’s Data Archive. R package version
  1.1-1. https://CRAN.R-project.org/package=TH.data
tibble  Kirill Müller and Hadley Wickham (2022). tibble: Simple Data Frames. R
  package version 3.1.7. https://CRAN.R-project.org/package=tibble
tidymodels Kuhn et al., (2020). Tidymodels: a collection of packages for modeling
  and machine learning using tidyverse principles.
  https://www.tidymodels.org
tidyr  Hadley Wickham and Maximilian Girlich (2022). tidyr: Tidy Messy Data. R
  package version 1.2.0. https://CRAN.R-project.org/package=tidyr
tidyselect Lionel Henry and Hadley Wickham (2022). tidyselect: Select from a Set
  of Strings. R package version 1.1.2.
  https://CRAN.R-project.org/package=tidyselect
tidyverse Wickham et al., (2019). Welcome to the tidyverse. Journal of Open
  Source Software, 4(43), 1686, https://doi.org/10.21105/joss.01686
timeDate  Diethelm Wuertz, Tobias Setz, Yohan Chalabi, Martin Maechler and Joe W.
  Byers (2018). timeDate: Rmetrics – Chronological and Calendar Objects.
  R package version 3043.102. https://CRAN.R-project.org/package=timeDate
tinytex  Yihui Xie (2022). tinytex: Helper Functions to Install and Maintain TeX
  Live, and Compile LaTeX Documents. R package version 0.38.

  Yihui Xie (2019) TinyTeX: A lightweight, cross-platform, and
  easy-to-maintain LaTeX distribution based on TeX Live. TUGboat 40 (1):
  30–32. https://tug.org/TUGboat/Contents/contents40-1.html
tmap Tennekes M (2018). “tmap: Thematic Maps in R.” _Journal of Statistical
Software_, *84*(6), 1-39. doi: 10.18637/jss.v084.i06 (URL:
https://doi.org/10.18637/jss.v084.i06).
tmaptools Martijn Tennekes (2021). tmaptools: Thematic Map Tools. R package
  version 3.1-1. https://CRAN.R-project.org/package=tmaptools
tools  R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
triebeard Oliver Keyes, Drew Schmidt and Yuuki Takano (2016). triebeard: ‘Radix’
  Trees in ‘Rcpp’. R package version 0.3.0.
  https://CRAN.R-project.org/package=triebeard
tripack  Fortran code by R. J. Renka. R functions by Albrecht Gebhardt. With
  contributions from Stephen Eglen <stephen@anc.ed.ac.uk>, Sergei Zuyev
  and Denis White (2020). tripack: Triangulation of Irregularly Spaced
  Data. R package version 1.3-9.1.
  https://CRAN.R-project.org/package=tripack
tseries Adrian Trapletti and Kurt Hornik (2022). tseries: Time Series Analysis
  and Computational Finance. R package version 0.10-51.
TTR   Joshua Ulrich (2021). TTR: Technical Trading Rules. R package version
  0.24.3. https://CRAN.R-project.org/package=TTR
tune Max Kuhn (2022). tune: Tidy Tuning Tools. R package version 0.2.0.
  https://CRAN.R-project.org/package=tune
tzdb Davis Vaughan (2022). tzdb: Time Zone Database Information. R package
  version 0.3.0. https://CRAN.R-project.org/package=tzdb
ucminf Hans Bruun Nielsen and Stig Bousgaard Mortensen (2016). ucminf:
  General-Purpose Unconstrained Non-Linear Optimization. R package
  version 1.1-4. https://CRAN.R-project.org/package=ucminf
units  Pebesma E, Mailund T, Hiebert J (2016). “Measurement Units in R.” _R
Journal_, *8*(2), 486-494. doi: 10.32614/RJ-2016-061 (URL:
https://doi.org/10.32614/RJ-2016-061).
urca Pfaff, B. (2008) Analysis of Integrated and Cointegrated Time Series
  with R. Second Edition. Springer, New York. ISBN 0-387-27960-1
urltools Os Keyes, Jay Jacobs, Drew Schmidt, Mark Greenaway, Bob Rudis, Alex
  Pinto, Maryam Khezrzadeh, Peter Meilstrup, Adam M. Costello, Jeff
  Bezanson, Peter Meilstrup and Xueyuan Jiang (2019). urltools:
  Vectorised Tools for URL Handling and Parsing. R package version 1.7.3.
  https://CRAN.R-project.org/package=urltools
usdm  Naimi B, Hamm Na, Groen TA, Skidmore AK, Toxopeus AG (2014). “Where is
positional uncertainty a problem for species distribution modelling.”
_Ecography_, *37*, 191-203. doi: 10.1111/j.1600-0587.2013.00205.x (URL:
https://doi.org/10.1111/j.1600-0587.2013.00205.x).
usethis  Hadley Wickham, Jennifer Bryan and Malcolm Barrett (2021). usethis:
  Automate Package and Project Setup. R package version 2.1.5.
  https://CRAN.R-project.org/package=usethis
utf8 Patrick O. Perry (2021). utf8: Unicode Text Processing. R package
  version 1.2.2. https://CRAN.R-project.org/package=utf8
utils R Core Team (2022). R: A language and environment for statistical
  computing. R Foundation for Statistical Computing, Vienna, Austria. URL
  https://www.R-project.org/.
uuid  Simon Urbanek and Theodore Ts’o (2022). uuid: Tools for Generating and
  Handling of UUIDs. R package version 1.1-0.
  https://CRAN.R-project.org/package=uuid
vctrs  Hadley Wickham, Lionel Henry and Davis Vaughan (2022). vctrs: Vector
  Helpers. R package version 0.4.1.
  https://CRAN.R-project.org/package=vctrs
vdiffr  Lionel Henry, Thomas Lin Pedersen, T Jake Luciani, Matthieu Decorde and
  Vaudor Lise (2022). vdiffr: Visual Regression Testing and Graphical
  Diffing. R package version 1.0.4.
  https://CRAN.R-project.org/package=vdiffr
vegan Jari Oksanen, Gavin L. Simpson, F. Guillaume Blanchet, Roeland Kindt,
  Pierre Legendre, Peter R. Minchin, R.B. O’Hara, Peter Solymos, M. Henry
  H. Stevens, Eduard Szoecs, Helene Wagner, Matt Barbour, Michael
  Bedward, Ben Bolker, Daniel Borcard, Gustavo Carvalho, Michael Chirico,
  Miquel De Caceres, Sebastien Durand, Heloisa Beatriz Antoniazi
  Evangelista, Rich FitzJohn, Michael Friendly, Brendan Furneaux,
  Geoffrey Hannigan, Mark O. Hill, Leo Lahti, Dan McGlinn, Marie-Helene
  Ouellette, Eduardo Ribeiro Cunha, Tyler Smith, Adrian Stier, Cajo J.F.
  Ter Braak and James Weedon (2022). vegan: Community Ecology Package. R
  package version 2.6-2. https://CRAN.R-project.org/package=vegan
viridis  Simon Garnier, Noam Ross, Robert Rudis, Antônio P. Camargo, Marco
  Sciaini, and Cédric Scherer (2021). Rvision – Colorblind-Friendly Color
  Maps for R. R package version 0.6.2.
viridisLite  Simon Garnier, Noam Ross, Robert Rudis, Antônio P. Camargo, Marco
  Sciaini, and Cédric Scherer (2021). Rvision – Colorblind-Friendly Color
  Maps for R. R package version 0.4.0.
visreg  Breheny P and Burchett W (2017). Visualization of Regression Models
  Using visreg. The R Journal, 9: 56-71.
vroom Jim Hester, Hadley Wickham and Jennifer Bryan (2021). vroom: Read and
  Write Rectangular Text Data Quickly. R package version 1.5.7.
  https://CRAN.R-project.org/package=vroom
waldo Hadley Wickham (2022). waldo: Find Differences Between R Objects. R
  package version 0.4.0. https://CRAN.R-project.org/package=waldo
warp Davis Vaughan (2020). warp: Group Dates. R package version 0.2.0.
  https://CRAN.R-project.org/package=warp
wellknown Scott Chamberlain and Os Keyes (2021). wellknown: Convert Between ‘WKT’
  and ‘GeoJSON’. R package version 0.7.4.
  https://CRAN.R-project.org/package=wellknown
whisker Edwin de Jonge (2019). whisker: {{mustache}} for R, Logicless
  Templating. R package version 0.4.
  https://CRAN.R-project.org/package=whisker
whoami  Gábor Csárdi (2019). whoami: Username, Full Name, Email Address,
  ‘GitHub’ Username of the Current User. R package version 1.3.0.
  https://CRAN.R-project.org/package=whoami
widgetframe Bhaskar Karambelkar (2017). widgetframe: ‘Htmlwidgets’ in Responsive
  ‘iframes’. R package version 0.3.1.
  https://CRAN.R-project.org/package=widgetframe
withr  Jim Hester, Lionel Henry, Kirill Müller, Kevin Ushey, Hadley Wickham
  and Winston Chang (2022). withr: Run Code ‘With’ Temporarily Modified
  Global State. R package version 2.5.0.
  https://CRAN.R-project.org/package=withr
wk Dewey Dunnington and Edzer Pebesma (2022). wk: Lightweight Well-Known
  Geometry Parsing. R package version 0.6.0.
  https://CRAN.R-project.org/package=wk
workflows Davis Vaughan (2022). workflows: Modeling Workflows. R package version
  0.2.6. https://CRAN.R-project.org/package=workflows
workflowsets Max Kuhn (2022). workflowsets: Create a Collection of ‘tidymodels’
  Workflows. R package version 0.2.1.
  https://CRAN.R-project.org/package=workflowsets
writexl  Jeroen Ooms (2021). writexl: Export Data Frames to Excel ‘xlsx’ Format.
  R package version 1.4.0. https://CRAN.R-project.org/package=writexl
xfun Yihui Xie (2022). xfun: Supporting Functions for Packages Maintained by
  ‘Yihui Xie’. R package version 0.31.
  https://CRAN.R-project.org/package=xfun
XML  Duncan Temple Lang (2022). XML: Tools for Parsing and Generating XML
  Within R and S-Plus. R package version 3.99-0.9.
  https://CRAN.R-project.org/package=XML
xml2  Hadley Wickham, Jim Hester and Jeroen Ooms (2021). xml2: Parse XML. R
  package version 1.3.3. https://CRAN.R-project.org/package=xml2
xmlparsedata  Gábor Csárdi (2021). xmlparsedata: Parse Data of ‘R’ Code as an ‘XML’
  Tree. R package version 1.0.5.
  https://CRAN.R-project.org/package=xmlparsedata
xopen Gábor Csárdi, Fathi Boudra, Rex Dieter, Kevin Krammer and Jeremy White
  (2018). xopen: Open System Files, ‘URLs’, Anything. R package version
  1.0.0. https://CRAN.R-project.org/package=xopen
xtable  David B. Dahl, David Scott, Charles Roosen, Arni Magnusson and Jonathan
  Swinton (2019). xtable: Export Tables to LaTeX or HTML. R package
  version 1.8-4. https://CRAN.R-project.org/package=xtable
xts  Jeffrey A. Ryan and Joshua M. Ulrich (2020). xts: eXtensible Time
  Series. R package version 0.12.1.
  https://CRAN.R-project.org/package=xts
yaml  Shawn P Garbett, Jeremy Stephens, Kirill Simonov, Yihui Xie, Zhuoer
  Dong, Hadley Wickham, Jeffrey Horner, reikoch, Will Beasley, Brendan
  O’Connor, Gregory R. Warnes, Michael Quinn and Zhian N. Kamvar (2022).
  yaml: Methods to Convert R Data to YAML and Back. R package version
  2.3.5. https://CRAN.R-project.org/package=yaml
yardstick Max Kuhn and Davis Vaughan (2021). yardstick: Tidy Characterizations of
  Model Performance. R package version 0.0.9.
  https://CRAN.R-project.org/package=yardstick
zeallot Nathan Teetor (2018). zeallot: Multiple, Unpacking, and Destructuring
  Assignment. R package version 0.1.0.
  https://CRAN.R-project.org/package=zeallot
zip Gábor Csárdi, Kuba Podgórski and Rich Geldreich (2021). zip:
  Cross-Platform ‘zip’ Compression. R package version 2.2.0.
  https://CRAN.R-project.org/package=zip
zoo  Achim Zeileis and Gabor Grothendieck (2005). zoo: S3 Infrastructure for
  Regular and Irregular Time Series. Journal of Statistical Software,
  14(6), 1-27. doi:10.18637/jss.v014.i06. https://www.jstatsoft.org/article/view/v014i06

 

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