Comparison between R dplyr and data.table code

Atrebas created this extremely helpful overview page showing how to program standard data manipulation and data transformation routines in R’s famous packages dplyr and data.table. The document has been been inspired by this stackoverflow question and by the data.table cheat sheet published by Karlijn Willems. Resources for data.table can be found on the data.table wiki, in the data.table vignettes,…

SQL resources (free courses, books, & cheat sheets)

My list of SQL resources is still quite short so if you have additions, please comment below or contact me! There are separate overviews for Data Science, Machine Learning, & Statistics resources and for R resources and Python resources. LAST UPDATED: 11-11-2018 Cheat sheets: SQL Basics cheat sheet MySQL cheat sheet by Dave Child SQL cheat sheet by sql-tutorial.net…

R resources (free courses, books, tutorials, & cheat sheets)

Help yourself to these free books, tutorials, packages, cheat sheets, and many more materials for R programming. There’s a separate overview for handy R programming tricks. If you have additions, please comment below or contact me! LAST UPDATED: 2019-10-19 Table of Contents (clickable) Beginner Advanced Cheat sheets Data manipulation Data visualization Dashboards & Shiny Markdown…