Nothing
predict.FLLat <- function(object,newY=NULL,thresh=10^(-4),maxiter.T=100,...) {
## Error checking parameters.
if (!inherits(object,"FLLat")) {
stop("'object' must be of class 'FLLat'")
}
if (!all(length(thresh)==1,thresh>0)) {
stop("'thresh' must be a real number > 0")
}
if (!all(length(maxiter.T)==1,maxiter.T>0)) {
stop("'maxiter.T' must be an integer > 0")
}
## The estimated features from object.
B <- object$Beta
## If newY not given, return fitted Y values and Theta from object.
if (is.null(newY)) {
## The estimated weights from object.
pred.T <- object$Theta
## Fitted Y values.
pred.Y <- B%*%pred.T
return(list("pred.Y"=pred.Y,"Theta"=pred.T,"niter"=object$niter,
"rss"=object$rss))
} else {
if (!all(is.matrix(newY),is.double(newY),nrow(newY)==nrow(B))) {
stop("'newY' must be a numeric matrix with the same number of rows as 'object$Beta'")
}
## Setting weight constraint.
sT <- 1
## Initializing Theta.
old.T <- matrix(0,nrow=ncol(B),ncol=ncol(newY))
## Calculating predicted weights for newY.
result <- .Call(C_TLatL2CR,newY,B,old.T,as.double(thresh),
as.integer(maxiter.T),as.double(sT))
## Predicted Y values.
pred.Y <- B%*%result$Theta
return(c("pred.Y"=list(pred.Y),result))
}
}
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