bplsda£¨boosting plsda£©Ëã·¨Öн«ÔÀ´µÄÈýÀà¸ÃΪÁ½Ààºó £¬ÔËÐÐʱ·¢ÏÖprosam×Ó³ÌÐò³ö´í£¬ÎÒ²»Ã÷°×Äijö´íÁË£¬ÓÐÄÄλ´óÉñÃ÷°×prosam³ÌÐòµÄ¡£ÏÂÃæÊÇÖ÷³ÌÐòÀïǶÓÐprosam
while t<=rd
ttt=ttt+1;
[index]=prosam(wt,samn,13);
xcc=xc(index, ;
ycc=yyyc(index, ;
[ycpls,yppls]=plsfitcv2(xcc,ycc,xc,xp,tot);
indine=find(ycpls~=ClassIdc);
loss(t)=sum(wt(indine));
prosam³ÌÐò£º
function [ee]=prosam(per,sam,k)
rand('state',k)
csc=[0;cumsum(per)];
ee=[];
for i=1:sam
x=rand(1,1);
for j=1:length(csc)-1
if (csc(j)<=x&x<csc(j+1))==1
e=j;
end
end
ee=[ee,e];
end |