[R] Different results in agnes and hclust

From: rrein <rrein_at_pooka.otago.ac.nz>
Date: Mon 25 Sep 2006 - 22:14:46 GMT


Hello to everybody,

I have a question regarding the results obtained from the hclust and the agnes funtion using the ward algorithm because they seem to differ from each other. I also ran a cluster analysis using the ward algorithm in Matlab and obtained the same results as from agnes. I'm using the pvclust package in order to confirm the clustering results which internally uses the hclust function. Therefore I'm not too shure what to do with the results. This problem doesn't appear when using the average algorithm.

Regards
Robert Rein



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