Tidy Pairwise Operations
Overview
I. Nest and pivot
II. Expand combinations
III. Filter redundancies
IV. Map function(s)
V. Return to normal dataframe
VI. Bind back to data
Functionalize
Example creating & evaluating features
When is this approach inappropriate?
Appen...
![](https://www.bryanshalloway.com/post/2020-05-31-tidy-2-way-column-combinations_files/figure-html/unnamed-chunk-9-1.png)