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python Programming Glossary: usrid

Pandas group by operations on a data frame

http://stackoverflow.com/questions/16684346/pandas-group-by-operations-on-a-data-frame

data frame I have a pandas data frame like the one below. UsrId JobNos 1 4 1 56 2 23 2 55 2 41 2 5 3 78 1 25 3 1 I group by.. 2 5 3 78 1 25 3 1 I group by the data frame based on the UsrId. The grouped data frame will conceptually look like below. UsrId.. The grouped data frame will conceptually look like below. UsrId JobNos 1 4 56 25 2 23 55 41 5 3 78 1 Now I'm looking for an..