step_ahead,prediction
1,26.584771358966826
2,26.908918410539627
3,26.69679172635078
4,27.00714034438133
5,26.77038744688034
6,26.865125280618667
7,26.80094099640846
8,26.84320601224899
9,26.96481944322586
10,26.905806297063826
11,26.75420690178871
12,26.66382812261581
13,27.08062080144882
14,26.942264479398727
15,26.773843604326245
16,26.02542833983898
17,26.779919385910034
18,26.468808457255363
19,26.5292789876461
20,26.49944496154785
21,26.284723103046417
22,26.46545097231865
23,26.67545576095581
24,26.73240813612938
25,26.199691849946973
26,26.549352294206617
27,26.676968157291412
28,26.505372297763824
29,25.77422996163368
30,26.44222713112831