R | Statistical computing and graphics
Official name：R
The R project website connects readers to statistical software, manuals and CRAN downloads. R is a language and computing environment; packages and analytical methods need separate evaluation. A plot or test result alone does not establish a reliable conclusion.
Official website
www.r-project.org
https://www.r-project.org/
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Express the analysis in code
R is a language and environment for statistical computing and graphics. Its introduction covers data handling, calculation, graphical display and extension through packages, making it relevant to readers who want to describe an analysis in code.
Sources for this section：The R Foundation
Project site and download mirrors
The homepage directs downloads through CRAN and provides FAQs, manuals and help. About R lists areas such as statistical modeling, time series, classification and clustering; a list of capabilities is not a ready-made answer to every analytical question.
Sources for this section：The R Foundation The R Foundation
Reproduce a small analysis first
Begin with installation and official introductory material, then practise import, missing-value inspection and plotting on a small dataset you understand. Save scripts and environment information before gradually adding packages; avoid copying code you cannot explain.
Where traceability matters
A code-based R workflow is worth learning when analyses must be rerun, parameters compared and processing explained to others. Decide whether programming is worthwhile for a one-off calculation by considering complexity and learning effort.
Output is not automatic evidence
Model assumptions, sampling, missing data and multiple comparisons can affect interpretation. Check package provenance, maintenance and licensing. This entry recommends no particular test and does not endorse an unreviewed research conclusion.
Sources
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Identity evidence and decision record
These are the public materials the identity decision actually cites.
www.r-project.org
Supporting material · The R Foundation https://www.r-project.org/about.html
About page [Home] anchor https://www.r-project.org/; homepage Getting Started directs downloads through CRAN., About page heading What is R? and opening definition R is a language and environment for statistical computing and graphics.
Original decision record
R项目的About页面解释同名统计语言与环境，并通过Home链接指向r-project.org；首页下载说明与R Foundation页脚出版关系一致。接受软件项目与官方入口，不将R语言、CRAN镜像及第三方编辑器合并为一家软件公司，不猜地区。
Regional access observations
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