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The Effects of Within-Group Covariance Structure on Recovery in Cluster Analysis: II. Extension to the P-Dimensional Case ANCOVA

Author(s):
Donoghue, John R.
Publication Year:
1999
Report Number:
RR-99-08
Source:
ETS Research Report
Document Type:
Report
Subject/Key Words:
Analysis of Covariance (ANCOVA), Similarity Indexes, Monte Carlo Methods, Cluster Analysis

Abstract

These results are interpreted in terms of the weakness of Euclidean distance as a measure of inter--entity similarity. Based on preliminary results, some possible alternate measures of similarity are identified. However, more work is clearly needed before clear recommendations about the choice of similarity measure can be given.

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