step_ahead,prediction
1,46.91415
2,47.180965
3,46.934273
4,46.826473
5,46.239574
6,46.983448
7,46.83138
8,46.626404
9,46.657814
10,46.77879
11,46.186565
12,46.36103
13,46.603317
14,46.060467
15,45.891586