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). |
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Returns: |
diffed : DataFrame |
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http://pandas.pydata.org/pandas-docs/version/0.22.0/generated/pandas.DataFrame.diff.html