R, Programming Language

The R Programming Language R is an open source, open development computing environment and language for statistical computing and graphics1. R is popular in biostatistics, bioinformatics, financial market analysis, social network analysis and geospatial modeling. As a programming language, R is expressive and compact with a large collection of powerful functions and tools and operators for data representation, analysis and display. On-line tutorials are available for learning both basic and advanced R programming2.