step_ahead,prediction 1,4.479456753252832 2,4.181179783035592 3,4.21772941304905 4,4.387846062290963 5,5.142792162671356 6,4.687204177813096 7,5.292611926742102 8,4.397124710554769 9,4.464698915778013 10,4.310086780311729 11,4.997776819431508 12,5.0965075606162955 13,5.0942959061906805 14,4.793438996386444 15,5.503346639542799 16,3.787927608551015 17,4.382122774841059 18,4.118869820644212 19,4.893779503266078 20,5.397686695643526 21,3.700359600325035 22,4.685139837452035 23,4.296476165690548 24,4.185705512087375 25,4.781373624677219 26,4.6850578235533 27,4.595029689883854 28,5.123043915500498 29,4.6833693478371545 30,4.39392772326994