Nothing
#' @export
MultiCHull.default <-
function(data, bound = "lower", PercentageFit = .01){
n_Multi <- ncol(data)-1
n_model <- nrow(data)
mat <- array(NA,c(n_model,n_Multi))
mat <- tab <- as.data.frame(mat)
data <- as.data.frame(data)
check <- rownames(data)==as.character(1:n_model)
if (sum(check)==n_model){
rownames(data) <- paste("model",1:n_model,sep="")
}
rownames(mat) <- rownames(tab) <- rownames(data)
if (n_Multi<3){
ErrMess <- "ERROR: At least 2 columns with fit measures needed for MultiCHull"
print(ErrMess)
res <- ErrMess
} else {
for (i in 1:n_Multi){
x <- cbind(data[,1],data[,i+1])
x <- as.data.frame(x)
rownames(x) <- rownames(data)
res <- CHull(x,bound,PercentageFit)
if (is.list(res)){
Hull <- res$Hull
n_hull <- nrow(res$Hull)
Hull[1,3] <- 0
Hull[n_hull,3] <- 0
modname <- rownames(Hull)
mat[modname,i] <- Hull[modname,"st"]
if (n_hull>3) {
Hull <- Hull[-n_hull,]
Hull <- Hull[-1,]
order <- sort(Hull[,3],decreasing=T,index.return=T)
Hull <- Hull[order$ix,]
Hull[,3] <- 1:(n_hull-2)
modname <- rownames(Hull)
tab[modname,i] <- Hull[modname,"st"]
}
n_sol <- nrow(res$Solution)
solname <- rownames(res$Solution)
tab[solname,i] <- 1
} else {
print(paste("in sample no.",as.character(i)))
}
}
frq <- as.data.frame(apply(tab==1,1,sum,na.rm=T))
colnames(frq) <- "frequency"
colnames(mat) <- colnames(tab) <- paste("fit",seq(1,n_Multi,by=1),sep="")
res <- list(st=mat,tab=tab,frq=frq,OrigData=data,Bound=bound,PercentageFit=PercentageFit)
}
class(res) <- "MultiCHull"
return(res)
}
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