Overview
- Import data in R
- Define tidy data and its characteristics
- Practice tidying data
Before class
- Required: read Chapter 11 “Data Import” and Chapter 12 “Tidy data” from R for Data Science
- Optional: read Chapter 10 “Tibbles” from R for Data Science
Class materials
Additional resources
- Lohr. 2014. For Big-Data Scientists, “Janitor Work” Is Key Hurdle to Insights. New York Times
- Data Carpentry a response to the NYTimes article
- Pivoting in
tidyr
What you need to do after class
- Complete Homework 2
- Review today’s lecture materials, and prepare for next class
- Start Homework 3