I have a dataframe like this key1 day feat 0 a 1 None 1 a 2 A 2 a 3 None 3 a 4 A 4 b 1 A 5 b 2 None 6 b 3 None 7 b 4 A I would like the apply an expanding window with the count function over the… Read More Apply expanding window on subsections of dataframe

I have a list of strings, and I want to window them ‘n’ at a time. The window should re-start every time it encounters a certain string. This is the code I used: i = 0 a = [‘Abel’, ‘Bea’, ‘Clare’, ‘Abel’, ‘Ben’, ‘Constance’, ‘Dave’, ‘Emmet’, ‘Abel’, ‘Bice’, ‘Carol’, ‘Dennis’] n=3 while i in range(len(a)-n+1):… Read More Restart windowing for loop