• May 16, 2026 Float Object Has No Attribute Isnull 9;) if val.isnull(): # Error: float object has no attribute 'isnull' print("Value is NaN") ``` 3. Mixing data types within a column: If your column contains a mixture of `float` values and other data types (e.g., strings or None), you might encounter this e By Dr. Kathy Spencer
