By default, the function searches if RTools is installed, if not, it checks if it knows which version to isntall for the current R version, and if not - it asks the user to choose which Rtools version to install Allows the user to choose, downloads and install - the latest version of Rtools for Windows.
R is a free software environment for statistical computing and graphics.
This code borrows heavily from RStudio's code for finding Rtools Details. Either a visible TRUE if rtools is found, or an invisible FALSE with a diagnostic message().As a side-effect the internal package variable rtools_path is updated to the paths to rtools binaries. Brian Ripley it is currently being maintained by Duncan Murdoch Value. Package developers might want to contact Uwe Ligges directly in case of questions / suggestions related to Windows binaries This is what you want to build your own packages on Windows, or to build R itself. What are R and CRAN? R is 'GNU S', a freely available language and environment for statistical computing and graphics which provides a wide variety of statistical and graphical techniques: linear and nonlinear modelling, statistical tests, time series analysis, classification, clustering, etc Rtools: Tools to build R and R packages.
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