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The latest version, 2.12.1, was released on December 16, 2010.Since 1997 an international core team of about 15 people develops R.
R uses a command line interface, though several graphical user interfaces are available.
wikipedia entry on R "R has many functions for statistical analyses and graphics; the latter are visualized immediately in their own window and can be saved in various formats (jpg, png, bmp, ps, pdf, emf, pictex, xfig; the available formats may depend on the operating system).
This particular page is an update of a previous guide to R which is being converted to HTML5 to be more readable.
(For a very abbreviated form of this guide meant to help students do basic data analysis in a personality research course, see a very short guide.
This is not meant as a user's guide to R, but merely the first step in guiding people to helpful tutorials.
I hope that enough information is provided in this brief guide to make the reader want to learn more.(For the impatient, an even briefer guide to analyzing data for personality research is also available.) It has been claimed that "The R statistical programming language and computing environment has become the de-facto standard for writing statistical software among statisticians and has made substantial inroads in the social and behavioural sciences.R is a free, open-source implementation of the S language, and is available for Windows, Mac OS X, and Unix/Linux systems.This is one page of a series of tutorials for using R in psychological research.Much of material has also covered been covered in number of short courses or in a set of tutorials for specific problems.It is also possible to combine in a single program different statistical functions to perform more complex analyses.The R users may benefit from a large number of programs written for S and available on the internet, most of these programs can be used directly with R.All of these ideas depend on free or scraped data, which means that anyone can work on them.I’ve given a ballpark difficulty for each project to give people some idea. Data Collection/Synthesis offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, La Te X, SQL, Eclipse, git, hadoop, Web Scraping) statistics (regression, PCA, time series, trading) and more...At first, R could seem too complex for a non-specialist. In fact, a prominent feature of R is its flexibility." R for Beginners, Emmanuel Paradis, p5/6 R was originally created by Ross Ihaka and Robert Gentleman (hence the name R) at the University of Auckland, New Zealand, and is now developed by the R Development Core Team.R is considered by its developers to be an implementation of the S programming language, with semantics derived from Scheme.