Are there any algorithms that can help with hierarchical clustering? Google's map-reduce has only an example of k-clustering. In case of hierarchical clustering, I'm not sure how it's possible to divide the work between nodes. Other resource that I found is: http://issues.apache.org/jira/browse/MAHOUT-19 But it's not apparent, which algo...
This is a real issue that applies on tagging items in general (and yes, this applies to StackOverflow too, and no, it is not a question about StackOverflow). The whole tagging issue helps cluster similar items, whatever items they may be (jokes, blog posts, so questions etc). However, there (usually but not strictly) is a hierarchy of t...
EDIT: I figured it out. Just did not understand notation. Hello, Hopefully someone out there is familiar with the clustergram in the bioinformatics toolbox. I am interested in the graphical aspects of the function (the dendrogram/heat map), but am currently handicapped as it requires me to use Matlab's cluster() function. I would prefe...