step_ahead,prediction
1,13.827094
2,13.891909
3,13.886552
4,14.026773
5,13.968067
6,13.976469
7,14.230639
8,14.164423
9,14.276048
10,14.470666
11,14.191288
12,14.343904
13,14.346779
14,14.516015
15,14.56979
16,14.816321
17,14.649986
18,14.430013
19,14.724928
20,14.7413225
21,14.83122
22,14.814157
23,14.726936
24,14.629625
25,14.844876
26,14.725609
27,14.914302
28,15.37906
29,15.069332
30,15.08204