step_ahead,prediction
1,11.007378
2,11.603277
3,11.800423
4,11.464179
5,10.381212
6,10.968854
7,11.173752
8,10.869896
9,12.0214615
10,10.71604
11,12.374467
12,10.582899
13,13.154075
14,11.910722
15,12.463369
16,11.46612
17,11.569552
18,11.286813
19,11.165888
20,11.774027
21,11.686323
22,11.674252
23,10.6609745
24,11.736047
25,12.538294
26,12.217644
27,11.89212
28,11.354549
29,11.337819
30,12.512324