?? pls.m
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function [beta,VIP]=entirepls(X,Y)
[n,p]=size(X);
[n,q]=size(Y);
meanX=mean(X);%junzhi
varX=var(X);%fangcha
meanY=mean(Y);%junzhi
varY=var(Y);%fangcha
%%%%shu ju biao zhun hua
for i=1:p
for j=1:n
X0(j,i)=(X(j,i)-meanX(i))/((varX(i))^0.5);
end
end
for i=1:q
for j=1:n
Y0(j,i)=(Y(j,i)-meanY(i))/((varY(i))^0.5);
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
[omega(:,1),t(:,1),pp(:,1),XX(:,:,1),rr(:,1),YY(:,:,1)]=plsfactor(X0,Y0);
[omega(:,2),t(:,2),pp(:,2),XX(:,:,2),rr(:,2),YY(:,:,2)]=plsfactor(XX(:,:,1),YY(:,:,1));
PRESShj=0;
tt0=ones(n-1,2);
for i=1:n
YY0(1:(i-1),:)=Y0(1:(i-1),:);
YY0(i:(n-1),:)=Y0((i+1):n,:);
tt0(1:(i-1),:)=t(1:(i-1),:);
tt0(i:(n-1),:)=t((i+1):n,:);
expPRESS(i,:)=(Y0(i,:)-t(i,:)*inv((tt0'*tt0))*tt0'*YY0);
for m=1:q
PRESShj=PRESShj+expPRESS(i,m)^2;
end
end
sum1=sum(PRESShj);
PRESSh=sum(sum1);
for m=1:q
for i=1:n
SShj(i,m)=YY(i,m,1)^2;
end
end
sum2=sum(SShj);
SSh=sum(sum2);
Q=1-(PRESSh/SSh);
k=3;
%%%%%%%%%%%%%%%% xun huan,ti qu zhu yuan
while Q>0.0975
[omega(:,k),t(:,k),pp(:,k),XX(:,:,k),rr(:,k),YY(:,:,k)]=plsfactor(XX(:,:,k-1),YY(:,:,k-1));
PRESShj=0;
tt00=ones(n-1,k);
for i=1:n
YY0(1:(i-1),:)=Y0(1:(i-1),:);
YY0(i:(n-1),:)=Y0((i+1):n,:);
tt00(1:(i-1),:)=t(1:(i-1),:);
tt00(i:(n-1),:)=t((i+1):n,:);
expPRESS(i,:)=(Y0(i,:)-t(i,:)*((tt00'*tt00)^(-1))*tt00'*YY0);
for m=1:q
PRESShj=PRESShj+expPRESS(i,m)^2;
end
end
PRESShj;
sum1=sum(PRESShj);
PRESSh=sum(sum1);
for m=1:q
for i=1:n
SShj(i,m)=YY(i,m,k-1)^2;
end
end
sum2=sum(SShj);
SSh=sum(sum2);
Q=1-(PRESSh/SSh)
if Q>0.0975
k=k+1;
end
end
%%%%%%%%%%%%%%%%%%%%%
h=k-1;%%%%%%%%% ti chu zhu yuan de ge shu
%%%%%%%%%%%%%% huan yuan xi shu
omegaxing=ones(p,h,q);
for m=1:q
omegaxing(:,1,m)=rr(m,1)*omega(:,1);
for i=2:(h)
for j=1:(i-1)
omegaxingi =(eye(p)-omega(:,j)*pp(:,j)');
omegaxingii=eye(p);
omegaxingii=omegaxingii*omegaxingi;
end
omegaxing(:,i,m)=rr(m,i)*omegaxingii*omega(:,i);
end
beta(:,m)=sum(omegaxing(:,:,m),2);
end
%%%%%%%% zui zhong de xi shu
beta;%%%%%%%%%%%%
%%%%%%%%%%%%
%%%%%%% ji suan xiang guan xi shu
for i=1:h
for j=1:q
relation(i,j)=sum(prod(corrcoef(t(:,i),Y(:,j))))/2;
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Rd=relation.*relation;
RdYt=sum(Rd,2)/q;
Rdtttt=sum(RdYt);
omega22=omega.*omega;
VIP=((p/Rdtttt)*(omega22*RdYt)).^0.5;
VIP/sum(VIP);
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