in reply to Making sense of data: Clustering OR A coding challenge
While I haven't been able to turn up any docs for Algorithm::Cluster, I have found some information about the underlying C clustering library by Michiel Jan Laurens de Hoon, that may be useful to you:
The C Clustering Library
Making and Using DNA Microarrays - This is the manual for Cluster 3.0
HTH,
planetscape
In Section
Seekers of Perl Wisdom