Nothing
select.sgpls <- function(model){
group.size <- NULL
result <- list()
res.select <- list()
for (h in 1:model$ncomp){
set.ind.zero <- which(model$loadings$X[,h]!=0)
names(set.ind.zero) <- model$names$X[set.ind.zero]
res.select[[h]] <- set.ind.zero
nb.group <- length(model$ind.block.x)+1
size.group <- diff(c(0,model$ind.block.x,ncol(model$X)))
tab.ind <- c(0,model$ind.block.x,ncol(model$X))
res <- NULL
for (group in 1:nb.group){
set.group <- (tab.ind[group]+1):tab.ind[group+1]
res <- c(res,list(intersect(set.group,set.ind.zero)))
}
group.size <- cbind(group.size,unlist(lapply(res,length)))
result[[h]] <- res
}
select.x <- res.select
group.size <- cbind(size.group,group.size)
colnames(group.size) <- c("size",paste("comp",1:model$ncomp,sep=""))
row.names(group.size) <- 1:nb.group
ind.total.x <- sort(unique(unlist(select.x)))
names(ind.total.x) <- model$names$X[ind.total.x]
group.size.x <- group.size
result.x <- result
if(is.null(model$ind.block.y)|is.null(model$keepY)) {
group.size.y <- NULL
result.y <- NULL
select.y <- NULL
ind.total.y <- NULL
} else {
group.size <- NULL
result <- list()
res.select <- list()
for (h in 1:model$ncomp){
set.ind.zero <- which(model$loadings$Y[,h]!=0)
names(set.ind.zero) <- model$names$Y[set.ind.zero]
res.select[[h]] <- set.ind.zero
nb.group <- length(model$ind.block.y)+1
size.group <- diff(c(0,model$ind.block.y,ncol(model$Y)))
tab.ind <- c(0,model$ind.block.y,ncol(model$Y))
res <- NULL
for (group in 1:nb.group){
set.group <- (tab.ind[group]+1):tab.ind[group+1]
res <- c(res,list(intersect(set.group,set.ind.zero)))
}
group.size <- cbind(group.size,unlist(lapply(res,length)))
result[[h]] <- res
}
group.size <- cbind(size.group,group.size)
colnames(group.size) <- c("size",paste("comp",1:model$ncomp,sep=""))
row.names(group.size) <- 1:nb.group
group.size.y <- group.size
result.y <- result
select.y <- res.select
ind.total.y <- sort(unique(unlist(select.y)))
names(ind.total.y) <- model$names$Y[ind.total.y]
}
return(list(group.size.X=group.size.x,select.group.X=result.x,group.size.Y=group.size.y,select.group.Y=result.y,select.X=select.x,select.Y=select.y,select.X.total=ind.total.x,select.Y.total=ind.total.y))
}
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