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