Index.fillna(value=None, downcast=None)[source]

Fill NA/NaN values with the specified value


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)


filled : %(klass)s

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