get_scale_vec <- function(LVs, variance_explained, block_scale=FALSE, variance_scale=FALSE){
scale_vec <- rep(1, length(variance_explained))
if(variance_scale){
scale_vec <- scale_vec * sqrt(scale_vec * variance_explained)
}
if(block_scale){
SS <- sum((LVs %*% scale_vec)^2)
scale_vec <- scale_vec / sqrt(SS)
}
return(scale_vec)
}
rescale_X_weights <- function(X_weights, scale_vec){
return(X_weights %*% diag(scale_vec, nrow=length(scale_vec)))
}
rescale_LVs <- function(LVs, scale_vec){
return(LVs %*% diag(scale_vec, nrow=length(scale_vec)))
}
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