https://cran.r-project.org/web/packages/AER/index.html
Functions, data sets, examples, demos, and vignettes for the book Christian Kleiber and Achim Zeileis (2008), Applied Econometrics with R, Springer-Verlag, New...
cran packageaer
https://cran.r-project.org/web/packages/devtools/index.html
Collection of package development tools.
cran packagedevtools
https://cran.r-project.org/web/packages/RUnit/index.html
R functions implementing a standard Unit Testing framework, with additional code inspection and report generation tools.
cran package
https://cran.r-project.org/web/packages/magick/index.html
Bindings to 'ImageMagick': the most comprehensive open-source image processing library available. Supports many common formats (png, jpeg, tiff, pdf, etc) and...
cran packagemagick
https://cran.r-project.org/web/packages/littler/index.html
A scripting and command-line front-end is provided by 'r' (aka 'littler') as a lightweight binary wrapper around the GNU R language and environment for...
cran packagelittler