Pandas groupby mean

Average within group by pandas

In [57]: df.groupby(['cluster', 'org']).mean()
Out[57]:
               time
cluster org
1       a    438886
        c        23
2       d      9874
        h        34
3       w         6

Source: stackoverflow.com

Pandas groupby mean

df.groupby(['A', 'B']).mean()

Source: pandas.pydata.org

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