pandas.Index.fillna#
- Index.fillna(value=None, downcast=None)[source]#
- Fill NA/NaN values with the specified value. - Parameters
- valuescalar
- Scalar value to use to fill holes (e.g. 0). This value cannot be a list-likes. 
- downcastdict, default is None
- A dict of item->dtype of what to downcast if possible, or the string ‘infer’ which will try to downcast to an appropriate equal type (e.g. float64 to int64 if possible). 
 
- Returns
- Index
 
 - See also - DataFrame.fillna
- Fill NaN values of a DataFrame. 
- Series.fillna
- Fill NaN Values of a Series.