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nathaneastwood / poorman

A poor man's dependency free grammar of data manipulation
https://nathaneastwood.github.io/poorman/
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[FEAT] Add `group_split()` and `group_keys()` #29

Closed nathaneastwood closed 4 years ago

nathaneastwood commented 4 years ago

group_split(): Split a data.frame by group. group_keys(): Return the combination of groups.