[R] Enquiry about Hierarchical Clustering

[kjetil brinchmann halvorsen]

On 27 Sep 2003 at 13:30, Setsuko Kinoshita wrote:

Try package cluster:

library(cluster)
?daisy # computes dissimilarity matrix with missing data
?agnes # aglomerative nesting

Kjetil Halvorsen

> Dear Sir,
> 
> This is Ms. Setsuko Kinoshita writing from Japan.
> 
> I have a question about " missing value" in Hierarchical Clustering.
> Hierarchical Clustering was not available the data with missing value for earlier version of "R".
> I used Euclidean distance and complete linkage method for "plot(hclust(dist()),hang=-1)".
> 
> How are missing values treated for Hierarchical Clustering in the latest "R 1.7.1" program?
> e.g. : Is an average replaced ?
> 
> Yours Sincerely,
> 
> -----
> Setsuko Kinoshita
> 
> Social $B!! (Band Environmental Medicine, $B!! (B
> Graduate School of Comprehensive Human Sciences,
> University of Tsukuba
> 1-1-1, Tennoudai, Tsukuba,
> Ibaraki, 305-8575, Japan
> Tel&Fax: +81-29-853-3489
> E-mail:setsuko at epidemiology.md.tsukuba.ac.jp(office)
> E-mail:setsuko at mbj.ocn.ne.jp(private)
> 
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