Function nUnique

nUnique(column: ExprOrString): pl.Expr
Count unique values.
Parameters
- column: ExprOrString
Returns pl.Expr
- Defined in polars/lazy/functions.ts:610
nUnique(column: pl.Series): number
Count unique values.
Parameters
- column: pl.Series
Returns number
- Defined in polars/lazy/functions.ts:611