https://leopodstanickycplusplus.wordpress.com/2020/04/18/r/
https://www.tutorialspoint.com/r
https://en.wikipedia.org/wiki/R_(programming_language)
https://www.r-project.org/
https://cran.r-project.org/doc/manuals/r-release/R-intro.pdf
https://www.youtube.com/watch?v=j3Byzp1zGOI&lc=Ugx_pXQV1yzTBUEa2FV4AaABAg
https://r-studio.com
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