step_ahead,prediction
1,22.951654
2,22.909117
3,22.88563
4,22.947172
5,23.027853
6,22.685013
7,22.607672
8,22.904797
9,22.620731
10,22.774408
11,22.786665
12,22.823868
13,22.515654
14,22.663292
15,22.491737
16,22.469324
17,22.404423
18,22.518843
19,22.661753
20,22.413097
21,22.119377
22,22.284449
23,22.308258
24,22.054962
25,22.023567
26,22.167059
27,21.957937
28,21.855572
29,21.988005
30,21.83494