vegdist() in the vegan package optionally allows pairwise deletion of missing
values when computing dissimilarities. The result can be used as the first
agrument to hclust()
('Caveat emptor', of course.)
________________________________________
From: r-help-boun...@r-project.org [r-help-boun...@r-project.org] On Behalf Of
Hollix [holger.steinm...@web.de]
Sent: 14 July 2009 16:42
To: r-help@r-project.org
Subject: [R] Cluster analysis with missing data
Hi folks,
I tried for the first time hclust. Unfortunately, with missing data in my
data file, it doesn't seem
to work. I found no information about how to consider missing data.
Omission of all missings is not really an option as I would loose to many
cases.
Thanks in advance
Holger
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