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R programming language

The R software environment

The R language programming environment is built around a standard command-line interface. Users leverage this to read data and load it to the workspace, specify commands and receive results. Commands can be anything from simple mathematical operators, including +, -, * and /, to more complicated functions that perform linear regressions and other advanced calculations.

Users can also write their own functions. The environment allows users to combine individual operations, such as joining separate data files into a single document, pulling out a single variable and running a regression on the resulting data set, into a single function that can be used over and over.

Looping functions are also popular in the R programming environment. These functions allow users to repeatedly perform some action, such as pulling out samples from a larger data set, as many times as the user wants to specify.

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