step_ahead,prediction
1,28.82833
2,29.008654
3,28.681265
4,29.220186
5,28.837162
6,29.134571
7,29.182112
8,28.864037
9,28.738668
10,28.731203
11,28.693521
12,28.955423
13,29.205738
14,28.983727
15,28.887226
16,28.838806
17,28.928005
18,29.029552
19,29.147223
20,29.136728
21,28.925014
22,28.848299
23,28.79609
24,28.887045
25,28.771488
26,29.121395
27,28.708984
28,28.819845
29,28.83314
30,29.059189