pandera.backends.narwhals.builtin_checks.less_than¶

pandera.backends.narwhals.builtin_checks.less_than(col_expr, max_value)[source]¶

Ensure values of a column are strictly less than a maximum value.

Parameters:

col_expr (Expr) – Narwhals column expression to check.
max_value (Any) – All elements of a series must be strictly smaller than this. Must be a type comparable to the dtype of the series to be validated.

Return type:

Expr