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R and RStudio Overview

R is a programming language and environment for statistical computing and graphics. The R environment provides an integrated suite of software facilities for data manipulation, calculation, and graphical display. R can import and export data in a variety of formats, both open source and proprietary, including plain text and comma-separated values (CSV), Excel spreadsheets (.XLS and .XLSX), files from a variety of statistical packages (including SAS, SPSS, and Stata), and more. 

RStudio is an open-source user interface for R, and it also provides access to some packages not available in the basic R environment.  

R and RStudio are useful for a wide variety of data manipulation, analysis, and visualization tasks.  Because it is open source and uses literate programming (combining content and code), R facilitates research reproducibility. 

For more information visit: National Institutes of Health Library

Basics of R Studio with interactive walkthrough

>install.packages ("swirl")

>library (swirl)

>install_course ("The R Programming Environment")

>swirl()