r-cheat-sheets R cheat sheets found on the web that could be useful for quick reference. DataCamp cheat sheets: Getting Started with R Cheat Sheet Data Manipulation with dplyr in R Cheat Sheet Reshaping Data with tidyr in R ggplot2 Cheat Sheet Tidyverse Cheat Sheet For Beginners Dates and Times in R Cheat Sheet Text Data In R Cheat Sheet xts Cheat Sheet: Time Series in R