Use cumcount on pandas dataframe with a conditional increment

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Chapters
00:00 Question
01:38 Accepted answer (Score 7)
01:58 Answer 2 (Score 3)
02:13 Answer 3 (Score 2)
02:39 Thank you

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Full question
https://stackoverflow.com/questions/5101...

Accepted answer links:
[groupby]: http://pandas.pydata.org/pandas-docs/sta...
[shift]: http://pandas.pydata.org/pandas-docs/sta...
[cumsum]: http://pandas.pydata.org/pandas-docs/sta...

Answer 3 links:
[groupby]: http://pandas.pydata.org/pandas-docs/sta...
[shift]: http://pandas.pydata.org/pandas-docs/sta...
[cumsum]: http://pandas.pydata.org/pandas-docs/sta...

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Tags
#python #pandas #dataframe #groupby #pandasgroupby

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