pandera.backends.narwhals.builtin_checks.not_equal_to¶ pandera.backends.narwhals.builtin_checks.not_equal_to(col_expr, value)[source]¶ Ensure no element of a column equals a certain value. Parameters: col_expr (Expr) – Narwhals column expression to check. value (Any) – This value must not occur in the checked data structure. Return type: Expr