dendro.variables.R
dendro.variables <- function(data, dist.variables.method=c("associationMeasures", "ClustOfVar"), associationFun=association, check.psd=TRUE){
dist.variables.method <- match.arg(dist.variables.method)
if(dist.variables.method == "associationMeasures"){
S <- similarity.variables(data, associationFun=associationFun, check.psd=check.psd)
D.variables <- as.dist(sqrt(1 - S))
dend <- as.dendrogram(hclust(D.variables))
}
else if(dist.variables.method == "ClustOfVar"){
dc <- sapply(data, data.class)
if(any(dc == "numeric"))
X.quanti <- data[,dc == "numeric"]
else
X.quanti <- NULL
if(all(dc == "numeric"))
X.quali <- NULL
else
X.quali <- data[,dc != "numeric"]
dend <- as.dendrogram(ClustOfVar::hclustvar(X.quanti, X.quali))
}
return(dend)
}