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    Thread: Change row values by other row values from same df
Post: Change row values by other row values from same df
I have the following dataset: df = pd.DataFrame( {'user': {0: 1, 1: 1, 2: 1, 3: 2, 4: 2, 5: 2, 6: 2}, 'date': {0: '1995-09-01', 1: '1995-09-02', 2: '1995-10-03', 3: '1995-10-04', 4: '1995-10-05'...
 JosepMaria Data Science 3 2,348 Aug-25-2021, 08:56 AM
    Thread: Pandas + Groupby + Filter unique values
Post: RE: Pandas + Groupby + Filter unique values
1. First, convert the date column into a datetime() index: df.date = pd.to_datetime(df.date)2. Next use min() and list comprehension to create a new column containing your earliest (use max() for lat...
 JosepMaria Data Science 1 2,887 Jun-15-2020, 08:15 AM
    Thread: Pandas + Groupby + Filter unique values
Post: Pandas + Groupby + Filter unique values
I have this dataset: df=pd.DataFrame({'user':[1,1,2,2,2,3,3,3,3,3,4,4], 'date':['1995-09-01','1995-09-02','1995-10-03','1995-10-04','1995-10-05','1995-11-07','1995-11-08','1995-11-0...
 JosepMaria Data Science 1 2,887 Jun-15-2020, 05:53 AM

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