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This question concerns rpart's facility for user-defined functions that accomplish splitting. I was interested in modifying the code so that in each terminal node, a linear regression is fit to the data. It seems that from the allowable...
I'd like to announce the availability of a new library for hybrid hierarchical clustering, "hybridHclust". The library has been uploaded to CRAN and is now available. The library implements a hybrid of top-down and bottom-up hierarchical clustering...
I'd like to announce the availability of a new library for hybrid hierarchical clustering, "hybridHclust". The library has been uploaded to CRAN and is now available. The library implements a hybrid of top-down and bottom-up hierarchical clustering...
Andy: That's a great idea. And it's certainly part of the problem. I verified this by changing the type of the "merge" element of a valid hclust object to be double. As you suggest, it doesn't plot...
I've been trying to get plot.hclust to work with a hclust object I created and have not had much success. It seems that there is some "hidden" characteristic of a hclust object that I can't see. This...
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