r

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r

• Is a language and environment for statistical computing and graphics designed by by John Chambers and colleagues for the GNU project.
• It is designed around a true computer language, and it allows users to add additional functionality by defining new functions.

It provides

• 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,
• graphical facilities for data analysis and display either on-screen or on hardcopy, and
• a well-developed, simple and effective programming language which includes conditionals, loops, user-defined recursive functions and input and output facilities.