cm010 2017-10-05 Thursday overview


  • Old topic: joining two data frames with the dplyr package.
  • Some exercises on it.
  • Lecture notes are here raw Rmd version
  • New topic: reshaping data with tidyr.


Some useful resources for data frame joins: - Jenny’s Cheatsheet for dplyr join functions. - Possibly look at Jenny’s Tidy data using Lord of the Rings - “two-table verbs”’s vignette on For data reshaping: - The tidyr’s vignette