step_ahead,prediction
1,20.658224016427994
2,20.611929088830948
3,20.38343036174774
4,20.500217765569687
5,20.442723274230957
6,20.34153425693512
7,20.459759324789047
8,20.354882270097733
9,20.21647357940674
10,20.138896048069
11,20.115534007549286
12,20.052362620830536
13,19.997641533613205
14,19.946643352508545
15,19.98468244075775