Pandas 0.18
Pandas 0.18
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Panel.ffill()

pandas.Panel.ffill

Panel.ffill(axis=None, inplace=False, limit=None, downcast=None)

Synonym for NDFrame.fillna(method=’ffill’)

© 2011–2012 Lambda Foundry, Inc. and PyData Development Team
© 2008–2011 AQR Capital Management, LLC
© 2008–2014 the pandas development team
Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.18.1/generated/pandas.Panel.ffill.html