polars.Expr.cumcount¶
- Expr.cumcount(reverse: bool = False) polars.internals.expr.Expr ¶
Get an array with the cumulative count computed at every element. Counting from 0 to len
- Parameters
- reverse
Reverse the operation.
Get an array with the cumulative count computed at every element. Counting from 0 to len
Reverse the operation.