N, RMSE, Max 4,3.4279,10.385 6,4.251,10.838 8,4.3848,11.207 10,4.4278,11.368 12,4.4517,11.483 14,4.468,11.519 16,4.4806,11.574 18,4.491,11.648 20,4.5005,11.68 22,4.509,11.681 24,4.517,11.662 26,4.4894,11.629 28,4.5319,11.589 30,4.5352,11.544