search for: xscores

i have search the web and not find code to cal these index.so i write one.if there exists code for such index,i hope you can let me know. this is my first R code.i send the the list and hope uesRs give me some advise for improve it or check if i make any mistake . i appriciate your suggestion . i have check the result roughly to the SPSS's. though i do not know excatly how SPSS calculate the

...ed within the validat slot are the predictions of each observation of Y when leave-one-out cross validation is applied. My code is as follows: > mypls <- mvr(Xtrain, Ytrain, method="SIMPLS", validation="CV", ncomp=1, niter=nrow(Ytrain)) > Xhat <- mypls$training$Xscores %*% t(mypls$training$Xload) > R2 <- 1-(sum((Xhat-Xtrain)^2)/sum(Xtrain^2)) > Q2 <- 1-(sum((Ytrain-mypls$validat$Ypred[,,1])^2)/sum(Ytrain^2) Is this right? Thank you Ana ------------------------------------------- Ana Conesa, PhD Bioinformatics Department Centro de Investigaci...

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