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load -ascii segment [N, m] = size(segment) class = N %rand('state',0); randn('state',0); %segment = segment(:,randperm(m)); Napp = 1400 Ntest = m-Napp app = segment(:,1:Napp);size(app) test = segment(:,Napp+1:end);size(test) unique(app(class,:)) unique(test(class,:)) ns = max(segment') clear segment % N, ns(class), Napp, Ntest, mean(ns),