R is an integrated suite of software facilities for data manipulation, calculation, and graphical display. It includes
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 hard copy.
A well-developed, simple, and effective programming language which includes conditionals, loops, user-defined recursive functions and input and output facilities.
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