[R] Agnes and Hclust

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From: n.bouget (n.bouget@laposte.net)
Date: Wed 26 May 2004 - 00:20:42 EST


Message-id: <HY9X6J$5291835FD81E572666593CF246C44A28@laposte.net>

Hi,

I want to know if there is a difference between the two
hierarchical methods Agnes and hclust when there are used with
the same method and the same metric on the same data! I ask
this question because I executed the following program:
hc <- hclust(dist(AGRIINSTTableFinaleCR), "ward")
agnes<-agnes(dist(AGRIINSTTableFinaleCR),method="ward")
And clusters are not the same even if they are a little similar!

Is anybody know why i have this difference?

Thanks in advance

Nicolas BOUGET

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