Going deeper with dplyr: New features in 0.3 and 0.4 (tutorial)

dplyr is an R package for data manipulation. Using a series of examples on a dataset you can download, this tutorial covers the new functionality in dplyr versions 0.3 and 0.4. Watch the previous dplyr tutorial: http://youtu.be/jWjqLW-u3hc View the R Markdown document: http://rpubs.com/justmarkham/dplyr-tutorial-part-2 Download the source document: https://github.com/justmarkham/dplyr-tutorial Tutorial contents: 1. Introduction (starts at 0:00) 2. Loading dplyr and the nycflights13 dataset (starts at 1:12) 3. Choosing columns: `select`, `rename` (starts at 2:28) 4. Choosing rows: `filter`, `between`, `slice`, `sample_n`, `top_n`, `distinct` (starts at 5:40) 5. Adding new variables: `mutate`, `transmute`, `add_rownames` (starts at 12:38) 6. Grouping and counting: `summarise`, `tally`, `count`, `group_size`, `n_groups`, `ungroup` (starts at 15:20) 7. Creating data frames: `data_frame` (starts at 23:01) 8. Joining (merging) tables: `left_join`, `right_join`, `inner_join`, `full_join`, `semi_join`, `anti_join` (starts at 25:28) 9. Viewing more output: `print`, `View` (starts at 31:29) 10. Resources (starts at 34:41) == RESOURCES == Release announcement (0.3): http://blog.rstudio.org/2014/10/13/dplyr-0-3-2/ Release announcement (0.4): http://blog.rstudio.org/2015/01/09/dplyr-0-4-0/ Reference manual and vignettes: http://cran.r-project.org/web/packages/dplyr/ Two-table vignette: http://cran.r-project.org/web/packages/dplyr/vignettes/two-table.html Data Wrangling Cheat Sheet: http://www.rstudio.com/wp-content/uploads/2015/02/data-wrangling-cheatsheet.pdf GitHub repo: https://github.com/hadley/dplyr List of releases: https://github.com/hadley/dplyr/releases == LET'S CONNECT! == Newsletter: https://www.dataschool.io/subscribe/ Twitter: https://twitter.com/justmarkham Facebook: https://www.facebook.com/DataScienceSchool/ LinkedIn: https://www.linkedin.com/in/justmarkham/