polars.Series.repeat_by#

Series.repeat_by(by: int | IntoExprColumn) Self[source]#

Repeat the elements in this Series as specified in the given expression.

The repeated elements are expanded into a List.

Parameters:
by

Numeric column that determines how often the values will be repeated. The column will be coerced to UInt32. Give this dtype to make the coercion a no-op.

Returns:
Expr

Expression of data type List, where the inner data type is equal to the original data type.