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Direct linkKohn, Hans-Friedrich; Steinley, Douglas; Brusco, Michael J. – Psychological Methods, 2010
The "p"-median clustering model represents a combinatorial approach to partition data sets into disjoint, nonhierarchical groups. Object classes are constructed around "exemplars", that is, manifest objects in the data set, with the remaining instances assigned to their closest cluster centers. Effective, state-of-the-art implementations of…
Descriptors: Computer Software, Psychological Studies, Data Analysis, Research Methodology
Peer reviewedScott, Mike – System, 1997
Proposes and illustrates a method of identifying key words in text, and leads from this proposal to the notion of key key words (words that are key in many texts). Notes that a key key word has associates: words that are key in the same texts as a given key key word. Notes that these associates can be grouped together in clumps. (18 references)…
Descriptors: Cluster Grouping, Computer Assisted Instruction, Computer Software, Context Clues
