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principal_component_analysis
2009 Jun 11
1
Cluster analysis, defining center seeds or number of clusters
...ntly, is there a way to find a priori the number of groups?
I know this is not an easy problem. I have looked at principal components
(princomp, prcomp) because there is a connection with cluster analysis. It
is not obvious to me how to program that connection though.
http://en.wikipedia.org/wiki/Principal_Component_Analysis
http://ranger.uta.edu/~chqding/papers/Zha-Kmeans.pdf
http://ranger.uta.edu/~chqding/papers/KmeansPCA1.pdf
Thanks in advance,
Alex van der Spek