An Introduction to R - The Comprehensive R Archive Network
https://cran.r-project.org/doc/manuals/r-release/R-intro.pdf
WEBR is an integrated suite of software facilities for data manipulation, calculation and graphical display. Among other things it has an effective data handling and storage facility, a suite of operators for calculations on arrays, in particular matrices, a large, coherent, integrated collection of intermediate tools for data analysis,
DA: 4 PA: 29 MOZ Rank: 32