More resources

• On CRAN: https://CRAN.R-project.org/package=purrr
• Development on GitHub: https://github.com/hadley/purrr
• Coverage in R for Data Science
  • Iteration
  • Handling hierarchy
  • Many models
• Example lists are in the repurrrsive package:
  • https://cran.r-project.org/package=repurrrsive
• Depicting R data structures and operations via lego:
  • https://github.com/jennybc/lego-rstats