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R logo. R packages are extensions to the R statistical programming language.R packages contain code, data, and documentation in a standardised collection format that can be installed by users of R, typically via a centralised software repository such as CRAN (the Comprehensive R Archive Network).
ggplot2 is an open-source data visualization package for the statistical programming language R.Created by Hadley Wickham in 2005, ggplot2 is an implementation of Leland Wilkinson's Grammar of Graphics—a general scheme for data visualization which breaks up graphs into semantic components such as scales and layers. ggplot2 can serve as a replacement for the base graphics in R and contains a ...
A digital greeting card depicting a caganer can be produced using the christmas package in R, a free software environment for statistical computing. [17] The following code produces the image: install.packages ( "christmas" ) library ( christmas ) xmascaganer ( year = 2025 )
"A Short Preview of Free Statistical Software Packages for Teaching Statistics to Industrial Technology Majors" (PDF). Journal of Industrial Technology. 21 (2). Archived from the original (PDF) on October 25, 2005.
As an example, R packages tnet, [6] igraphtosonia [7] and cccd [8] depend on igraph R package. Users can use igraph on many operating systems. The C library and R and Python packages need the respective software, otherwise igraph is portable. The C library of igraph is well documented [9] as well as the R package [10] and the Python package [11]
Epi Info a free to use program from the Centers for Disease Control and Prevention was developed in the 1980s. [3] One of the first completely free to use and open source statistical software was R, first released in 2000. [1] Some of the free software packages are from governments, for example Epi Info, which is from CDC [4] (Centers for ...
From September 2011 to December 2012, if you bought shares in companies when David P. King joined the board, and sold them when he left, you would have a -2.4 percent return on your investment, compared to a 18.4 percent return from the S&P 500.
SuperCROSS – comprehensive statistics package with ad-hoc, cross tabulation analysis; Systat – general statistics package; The Unscrambler – free-to-try commercial multivariate analysis software for Windows; Unistat – general statistics package that can also work as Excel add-in; WarpPLS – statistics package used in structural ...