Below is a list of free books, tutorials, packages, cheat sheets, and other material to learn programming in R and improve your workflow. There are separate overviews for more specific R tricksPython resources, SQL resources, and general Data Science, Machine Learning, & Statistics resources.
If you have additions, please comment below or contact me!

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LAST UPDATED: 22-09-2018

R Basics

Cheat Sheets:

Introductory Books:

Online Courses:

Style Guides:


Advanced R

Functional Programming


Data Visualization in R

Colors

Interactive / HTML widgets:

ggplot2

Miscellaneous


Shiny, Dashboards, & Apps


Regular Expressions in R


R Markdown & Documentation


R Database Linking


Statistical & Machine Learning

Books

Courses

Cheat sheets

 

Time series

Survival analysis

Bayesian

Miscellaneous

  • corrr – easier correlation matrix management and exploration

Natural Language Processing & Text Mining


Geographical / Spatial mapping


R & Excel


R & Python


R Help, Connect, & Inspiration


R Blogs


R Jobs