Wrangling Tidy Data

Data Wrangling

http://r4ds.had.co.nz/introduction.html

http://r4ds.had.co.nz/introduction.html

Normalized Data, aka Tidy Data

Each variable is a column
Each observation is a row
Each cell as one value
Each type of observational unit is a table

http://r4ds.had.co.nz/tidy-data.html

http://r4ds.had.co.nz/tidy-data.html

Split-Apply-Combine Strategy

https://swcarpentry.github.io/r-novice-gapminder/12-plyr/

https://swcarpentry.github.io/r-novice-gapminder/12-plyr/