Watch

• RStudio Primer: Joins

• DataCamp Lesson: Joining Data with dplyr

Read

• Relational Data (*_join functions) r4ds-13.1 - 13.7

Explore

• A nice visual summary of each of the types of joins can be found in this R package https://github.com/gadenbuie/tidyexplain. See the README and animated GIFs for examples.