test_parzen.m

Parzen窗估计法的C语言代码和Matlab应用的动态链接库。

load wine

[d , N]    = size(X);
n1         = round(0.7*N);
n2         = N - n1;
nbite      = 1000;
sigma      = 1;
Perf       = zeros(1 , nbite);

for i=1:nbite

    ind        = randperm(length(y));

    ind1       = ind(1:n1);
    ind2       = ind(n1+1:N);

    Xtrain     = X(: , ind1);
    ytrain     = y(ind1);
    Xtest      = X(: , ind2);

    ytest      = y(ind2);
    ytest_est  = parzen_classif(Xtrain , ytrain , Xtest , sigma );

    Perf(i)    = sum(ytest == ytest_est)/n2;

end

disp(sprintf('Performance = %4.2f' , mean(Perf)))