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
- Return type
(count, # nulls, nunique)