N, RMSE, Max 20,2.6823,18.474 22,2.0321,13.552 24,1.3871,7.879 26,1.0473,5.8213 28,0.79351,4.9267 30,0.72111,5.2876 32,0.53534,4.1292 34,0.40402,2.7973 36,0.26972,1.6457 38,0.21536,1.1179 40,0.16565,1.1005 42,0.12551,0.72709 44,0.091172,0.56902 46,0.069471,0.41717 48,0.041863,0.23596 50,0.042708,0.25691 52,0.033529,0.1988 54,0.027888,0.15785 56,0.025555,0.17996 58,0.020539,0.13737 60,0.013277,0.079682 62,0.010476,0.062722 64,0.0085759,0.0443 66,0.0063402,0.036385 68,0.0060356,0.03376 70,0.0062263,0.037564 72,0.0039592,0.023429 74,0.003307,0.01744 76,0.0031272,0.019413 78,0.0023276,0.012644 80,0.0019422,0.012313