From Statology web site..

Excellent reference book by Winston Chang.

Describes many R packages and resources for econometric analysis, including regression, instrumental variables, panel data, times series, and more..

Information about R packages that assist with the teaching of statistics..

A resource for digital analysts who are interested in learning or expanding their knowledge of R and statistics..

From Mark Gardener, resources for data analysis and especially in the use of R.

Web site for book by Gareth James, Daniela Witten, Trevor Hastie and Robert Tibshirani. .

Elegant, flexible, and fast dynamic report generation with R..

Sample uses of the R Statistics Program for political science research. From Barry Edwards, Political Science Data..

Web site for book, based on R, by Jenkins-Smith et al..

Helpful reference for using R..

Useful reference on advanced graph types that you can use to visualize multi-dimensional relationships..

Useful reference on several common types of R graphs..

Many useful articles, frequently updated..

A graphical user interface for the R program..

Web site for book by John Fox and Sanford Weisberg..

Online help files..

Great tutorials on useful functions and packages..

Hundreds of distinctive graphics made with the R programming language, always with the reproducible code snippet available..

Online edition of Winston Chang's book.

A comprehensive index of R packages and documentation, tools to run code online and embed samples..

A cheat-sheet type reference, very helpful..

Central platform for the development of R packages, R-related software and further projects..

Advanced suite of functions designed to make conducting field, lab, survey, or online experiments easier by automating the random assignment process..

Web course material from Colin Bousige.

Alastair Sanderson shows useful methods used to handle data with outliers..

A web-based interface to R.

A gallery of interactive R web apps..

From Statology web site..

Home page for survey package by Thomas Lumley..

Teaches you R programming and data science interactively, at your own pace, and right in the R console.

Web site for book by Julia Silge and David Robinson.

Easy-to-use, free, open source, general purpose statistics program for estimating, interpreting, and presenting results from any statistical method..