[
[[
$
tidyverse
dplyr
select
filter
group_by
summarize
mutate
arrange
count()
tidyr
gather
separate
spread
aes
if
if_else
map
RTweet
RVest
git add
git commit
git push
RStudio IDE Cheat Sheet
R Markdown Cheat Sheet
R Markdown Reference Guide Base R Cheat Sheet
Data Transformation with dplyr Cheat Sheet
Data Visualization Cheat Sheet
Regular Expressions Cheat Sheet