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)