R an excellent tool for statistical computation and statistical mapping

R is a free, free, Open-source software that belongs to the GNU system and is an excellent tool for statistical computing and statistical mapping.

R is an implementation of the S language. s language is an interpretive language used for data exploration, statistical analysis and mapping by at&thttp://www.aliyun.com/zixun/aggregation/13467.html "> Bell Labs". Originally, the implementation version of the S language was mainly s-plus. S-plus is a commercial software that is based on the S language and is further refined by the Department of Statistics and Science of Mathsoft Corporation. Later, Auckland University's Robert gentleman and Ross Ihaka and other volunteers developed an R system. The use of R and S-plus have many similarities, two software has certain compatibility. S-plus Manual, as long as the use of a few changes can be used as r manual. So someone said: R, is a "clone" of S-plus. But please don't forget: R is free.

R is a complete set of data processing, computing and mapping software systems. Its functions include: data storage and processing system; Array computing tools (especially powerful in vector and matrix operations); Complete and coherent statistical analysis tools; excellent statistical mapping function; Simple and powerful programming language: can manipulate data input and input, can implement branch, loop, user customizable function.

R is not so much a statistical software as an environment of mathematical computing, because R is not just a statistical procedure, but a statistical analysis can be done only by specifying a database and a number of parameters for the user. R's idea is that it can provide some integrated statistical tools, but a lot more is that it provides a variety of mathematical and statistical functions, so that users can be flexible data analysis, and even create a new statistical calculation method to meet the needs.

R is a free free software that has UNIX, LINUX, OS, and Windows versions that are free to download and use. R's main website is http://www.r-project.org. Where you can download the installation program for R, a variety of plug-in programs and documents. Only 8 basic modules are included in the R installer, and other external modules are available via Cran