Left-align a pandas rolling object

Question

Using pandas 0.18.1, I\'d like to take the rolling average of a one-column dataframe. Since version 0.18.0, this is done with rolling() objects. The default for these rolling ob

Answer 1

I think you can use shift:

a = df.rolling(window=3).mean().shift(-2)
print (a)
           A
0   3.666667
1   5.666667
2  11.333333
3  18.333333
4        NaN
5        NaN