View source: R/verbs-storage.R
This function takes a list of objects or a data frame and changes
their contents. It discards all elements that are not mentioned in
..., leaving a clean list of inputs for your models.
1 2 3 4 5 6 7 8 9  | 
.data | 
 A list or data frame.  | 
... | 
 Variables to keep and new definitions.  | 
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