Resources with links

Software
R
RStudio

Tutorials, Cheatsheets, and Troubleshooting
CRAN-Using R
Quick-R
IDRE at UCLA
Cross-Validated @ StackExchange
Stackoverflow
Reddit/RStats
R-tutor

R Blogs, Information, and Advanced Tutorials
R-Bloggers
Revolution Analytics
The R Journal
Andrew Gelman’s Blog
Accidental aRt

R Studio Cheatsheets
R Studio IDE Cheatsheet
Shiny Interactive Webapp Cheatsheet
ggplot2 Cheatsheet
Data munging and Management with dplyr and tidyr