Lessons and Examples

Background basics

• Vectors and lists review of vectors, lists, and indexing
• Relationship to base and plyr functions side-by-side workflow comparison

Core purrr lessons

• Explore the example lists: Wes Anderson, Game of Thrones, GitHub how to get to know a list
• Introduction to map(): extract elements name and position shortcuts, type-specific and simplifying map
• Simplifying data from a list of GitHub users end to end: inspection, extraction and simplification, more advanced
• Specifying the function in map() + parallel mapping all the purrr shortcuts and mapping over multiple lists
• Trump Android words suitable for live-coding
• Sample from groups, n varies by group
  
• List columns creating, managing, and eliminating list-columns

Worked examples

• Send email via Gmail API
  
• Analyze GitHub issues and pull requests
  
• Tame XML from Google Sheets API
  
• Food Markets in New York from JSON to data frame

Patterns and anti-patterns

• Gotchas

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