step_ahead,prediction
1,19.008388071134686
2,20.333862406015395
3,19.111520591005682
4,19.9498165294528
5,19.28692054823041
6,19.16675452031195
7,19.78206033706665
8,19.614126131683587
9,20.864078187197446
10,21.16241133660078
11,20.554409538209438
12,21.614865165948867
13,21.463812113553285
14,20.714523558318614
15,21.723472912609576