mars.dataframe.Index.fillna#
- Index.fillna(value=None, downcast=None)#
Fill NA/NaN values with the specified value.
- 参数
value (scalar) – Scalar value to use to fill holes (e.g. 0). This value cannot be a list-likes.
downcast (dict, 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).
- 返回类型
参见
DataFrame.fillna
Fill NaN values of a DataFrame.
Series.fillna
Fill NaN Values of a Series.