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/pandas 0.25

pandas.Series.ffill

Series.ffill(self, axis=None, inplace=False, limit=None, downcast=None) [source]

Synonym for DataFrame.fillna() with method='ffill'.

Returns:
%(klass)s

Object with missing values filled.

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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.Series.ffill.html