daft.expressions.Expression.is_nan
daft.expressions.Expression.is_nan#
- Expression.is_nan() daft.expressions.Expression[source]#
Checks if values are NaN (a special float value indicating not-a-number)
Example
>>> # [1., None, NaN] -> [False, False, True] >>> col("x").is_nan()
- Returns
LOGICAL Expression indicating whether values are invalid.
- Return type