/Python/Pandas difference between rows in a column

Pandas difference between rows in a column

df.diff()

Source: pandas.pydata.org

Pandas get row if difference previous

>>> df = pd.DataFrame({'a': [1, 2, 3],...          'b': [1, 1, 2],...          'c': [1, 4, 9]})>>> df  a b  c0 1 1  11 2 1  42 3 2  9>>> df.diff()
   a  b   c0 NaN NaN  NaN1 1.0 0.0  3.02 1.0 1.0  5.0

Source: pandas.pydata.org

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