N, RMSE, Max 5,0.29558,0.45133 6,0.29085,0.45807 7,0.20348,0.42919 8,0.28306,0.43721 9,0.18835,0.42034 10,0.30353,0.43771 11,0.30213,0.43461 12,0.30323,0.43447 13,0.18807,0.40547 14,0.30728,0.43253 15,0.2781,0.4317