[R] merge small clusters in R

2016-03-19 Thread Sheila the angel
In R, I have cut a dendrogram into clusters. However some of the clusters have only few samples. How can I merge the small clusters with nearest big cuter. hc <- hclust(dist(USArrests)) plot(hc, cex = 0.6) rect.hclust(hc, k = 4, border = 2:5) It gives one cluster with only 2 samples. How can I

Re: [R] merge small clusters in R

2016-03-19 Thread Boris Steipe
This is not a well defined question, until your notions of "small" and "nearest" are defined. In your specific example rect.hclust(hc, k = 3, border = 2:5) ... will do what you are asking for. This is not likely to work in the general case - imagine that your cluster of size two only meets