ibis.expr.api.ColumnExpr.summary¶
-
ColumnExpr.
summary
(exact_nunique=False, prefix=None)¶ Compute a set of summary metrics from the input value expression
Parameters: - arg : value expression
- exact_nunique : boolean, default False
Compute the exact number of distinct values (slower)
- prefix : string, default None
String prefix for metric names
Returns: - summary : (count, # nulls, nunique)