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Social and Behavioral Sciences Commons

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2002

Faculty of Commerce - Papers (Archive)

Binary Data

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Full-Text Articles in Social and Behavioral Sciences

An Examination Of Indexes For Determining The Number Of Clusters In Binary Data Sets, E. Dimitriadou, Sara Dolnicar, A. Weingessel Mar 2002

An Examination Of Indexes For Determining The Number Of Clusters In Binary Data Sets, E. Dimitriadou, Sara Dolnicar, A. Weingessel

Faculty of Commerce - Papers (Archive)

The problem of choosing the correct number of clusters is as old as cluster analysis itself. A number of authors have suggested various indexes to facilitate this crucial decision. One of the most extensive comparative studies of indexes was conducted by Milligan & Cooper (1985). The present piece of work pursues the same goal under different conditions. In contrast to Milligan and Cooper's work, the emphasis here is on high-dimensional empirical binary data. Binary artificial data sets are constructed to reflect features typically encountered in real-world situations in the field of marketing research. The simulation includes 162 binary data sets ...