Learning R for FREE: Free online resources

R is an open-source software package and rapidly increases its popularity in both industry and academics. Google trend is probably the best tool to show you how popular R is since it allows us to rank the search interest among five major statistical software packages. You can clearly observe that R has been the top search interest since 2011 and continues to maintain its top place.
Many authors of the following resources inherit this open-source spirit: they are willing to put their contents online and let everyone can learn R for free. In this post, we collect many free online resources to help you learn R for FREE. Notice that these resources are offered in a different form of format such as videos, books, podcasts, or purely just texts.  We classify these resources based on their formats for fitting your learning styles.

1. R Courses (with videos)

2. R Books

3.R Journals

4. R Q and A

5. R Podcasts

The following first three podcasts are talking about the news about R while the others mainly involve the applications (data science, finance, … ) in R.

6. R tutorials 
This type of learning resources provides some step-by-step procedures to learn R. One trait about them is that these resources are usually offered in the form of texts instead of videos like R courses above. These resources are mainly written by many bloggers. 
  • Quick-R: The author created this website for both current R users, and experienced users of other statistical packages (e.g., SAS, SPSS, Stata) who would like to transition to R. The author also provided a lot of tables and figures to help you learn R (mainly functions) step by step.
  • R tutorials (provided by R bloggers)
  • Resources to help you learn and use R (provided by UCLA idre)

7. R news
Page last updated on 23 Nov. 2016.

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