step_ahead,prediction
1,11.242198
2,11.63401
3,10.966048
4,9.991748
5,11.444318
6,13.678665
7,10.325164
8,14.265767
9,14.7887
10,14.558182
11,10.881656
12,14.224428
13,13.163612
14,14.896609
15,14.45689
16,14.607424
17,13.066503
18,11.812251
19,13.504209
20,13.801647
21,13.068018
22,14.314786
23,14.852557
24,13.024158
25,14.659131
26,15.689944
27,13.596474
28,14.870479
29,14.098774
30,11.892758