DataFrame.diff(periods=1, axis=0)
[source]
1st discrete difference of object
Parameters: |
periods : int, default 1 Periods to shift for forming difference axis : {0 or ‘index’, 1 or ‘columns’}, default 0 Take difference over rows (0) or columns (1). |
---|---|
Returns: |
diffed : DataFrame |
© 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/0.19.2/generated/pandas.DataFrame.diff.html