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euclidean
2006 Aug 07
5
kmeans and incom,plete distance matrix concern
Hi there
I have been using R to perform kmeans on a dataset. The data is fed in using read.table and then a matrix (x) is created
i.e:
[
mat <- matrix(0, nlevels(DF$V1), nlevels(DF$V2),
dimnames = list(levels(DF$V1), levels(DF$V2)))
mat[cbind(DF$V1, DF$V2)] <- DF$V3
This matrix is then taken and a distance matrix (y) created using dist() before performing the kmeans clustering.
My query