Nothing
rowNorms <- function(X,type=NULL,center=FALSE,scale=FALSE){
if(is.null(type)){
return(X)
}else if(type=='hellinger'){
return(sqrt(rowNorms(X,type="ca")))
}else if(type == 'ca'){
return(X/matrix(rowSums(X),nrow(X),ncol(X)))
}else if (type == 'z'){
return(t(expo.scale(t(X),center=TRUE,scale=TRUE)))
}else if(type == 'other'){
return(t(expo.scale(t(X),center=center,scale=scale)))
}else{
return(X)
}
}
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