1. Competitive cluster analysis of industry products in turn complements four corners analysis. 2. Classical examples include principal components analysis and cluster analysis . 3. However, this cluster analysis is not as common as the above one involving. 4. Tryon was also a pioneer in the use of cluster analysis to analyze data. 5. This tends to be a blunt instrument so researchers refine the process with cluster analysis . 6. PPM algorithms can also be used to cluster data into predicted groupings in cluster analysis . 7. L . Lebart, Chapter 8 : Complementary use of Correspondence Analysis and Cluster Analysis . 8. Cluster analysis itself is not one specific algorithm, but the general task to be solved.9. Discriminant analysis is used when groups are known a priori ( unlike in cluster analysis ). 10. In addition are non-conjoint products involving interviewing, perceptual mapping, and cluster analysis .
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