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Data Mining

The UPGMA algorithm

The UPGMA (Unweighted Pair Group Method with Arithmetic Mean) is a simple agglomerative or hierarchical clustering method. It is one of the most popular methods in ecology for the classification of sampling units (such as vegetation plots) on the basis ...

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Categorical Clustering vs Topical Clustering

clustering example

In this post, I will give you some useful references about these two types of clustering methods: categorical vs topical clustering. Categorical Clustering: ROCK algorithm http://rss.acs.unt.edu/Rdoc/library/cba/html/rockCluster.html http://en.wikibooks.org/wiki/Data_Mining_Algorithms_In_R/Clustering/RockCluster Topical Clustering: Sahimi (1996), Applying the Multiple Cause Mixture Model to Text Categorization, ...

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Data Clustering

http://jamesmccaffrey.wordpress.com/2013/05/06/data-clustering-using-category-utility/ http://msdn.microsoft.com/en-us/magazine/dn198247.aspx

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Cluster Analysis

Statistica http://www.statsoft.com/textbook/cluster-analysis/

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