daft.expressions.expressions.ExpressionFloatNamespace.is_nan
daft.expressions.expressions.ExpressionFloatNamespace.is_nan#
- ExpressionFloatNamespace.is_nan() daft.expressions.expressions.Expression[source]#
Checks if values are NaN (a special float value indicating not-a-number)
Note
Nulls will be propagated! I.e. this operation will return a null for null values.
Example
>>> # [1., None, NaN] -> [False, None, True] >>> col("x").is_nan()
- Returns
Boolean Expression indicating whether values are invalid.
- Return type