The packages which make up the tidyverse form the bedrock of data preparation in R. Perhaps none are as useful as dplyr and tidyr. Here’s a cheat sheet for the two libraries.
Originally posted at www.rstudio.com/
RStudio provides open source and enterprise-ready professional software for the R statistical computing environment. We started RStudio because we were excited and inspired by R. RStudio products, including RStudio IDE and the web application framework RStudio Shiny, simplify R application creation and web deployment for data scientists and data analysts.