R in 3 Months Week 8 (Advanced Data Wrangling)

Agenda

  1. Housekeeping

  2. Your Questions on Advanced Data Wrangling

  3. Joins

  4. Iteration

  5. Next Week

Housekeeping

Housekeeping

  • Week 9: Advanced data viz

  • Week 10: Catch-up week

  • Week 11: Advanced data viz

  • Week 12: Advanced Quarto

  • Week 13: Wrap-up

Feedback

You can get feedback through the end of June

Your Questions

as.numeric() + parse_number()

Does using as.numeric() or parse_number() in R automatically change non-numeric characters into NA?

Why save as RDS vs CSV?

Joins

  • Mismatched variable types

  • Many-to-many joins

Iteration

Next Week

  • Advanced data viz, part 1: declutter and highlight your plots