(lift-op fn-sym
{:keys [return-ds? make-aggregator?]
:or {return-ds? false make-aggregator? false}})
Takes a function symbol fn-sym
and generates a function that
applies that function to one or more columns of a dataset, placing
the result in the target column.
Resulting signature: (lift-op [fn-sym]) => (fn [ds columns-selector target-col] ...)
Takes a function symbol `fn-sym` and generates a function that applies that function to one or more columns of a dataset, placing the result in the target column. Resulting signature: (lift-op [fn-sym]) => (fn [ds columns-selector target-col] ...)
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