Description Usage Arguments Details Value
1. Nest data by grouping variable(s) 2. Map function to nested list column 3. Unest data frame
1  | 
x | 
 A data frame  | 
... | 
 Variables to group_by() (comma-separated and unquoted)  | 
f | 
 A function passed on to map()  | 
Duplicate vars if grouping vars are also used by f
Returns unested x after mapping function
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