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Comparative Analysis	2
Statistical Studies	2
Alcoholism	1
Analysis of Covariance	1
Analysis of Variance	1
Cluster Analysis	1
Equations (Mathematics)	1
Error of Measurement	1
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Multivariate Analysis	1
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Multivariate Behavioral…

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Algina, James	1
Morey, Leslie C.	1
Tang, K. Linda	1

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Reports - Research	1

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A Comparison of Cluster Analysis Techniques within a Sequential Validation Framework.

Peer reviewed

Morey, Leslie C.; And Others – Multivariate Behavioral Research, 1983

Twenty-three different methods of cluster analysis were compared in a four-stage sequential validation design. Results demonstrated that the solution given by Ward's method of cluster analysis was particularly powerful in comparison to solutions yielded by other techniques. (Author/JKS)

Descriptors: Alcoholism, Cluster Analysis, Comparative Analysis, Research Methodology

Performance of Four Multivariate Tests under Variance-Covariance Heteroscedasticity.

Peer reviewed

Tang, K. Linda; Algina, James – Multivariate Behavioral Research, 1993

Type I error rates of four multivariate tests (Pilai-Bartlett trace, Johansen's test, James' first-order test, and James' second-order test) were compared for heterogeneous covariance matrices in 360 simulated experiments. The superior performance of Johansen's test and James' second-order test is discussed. (SLD)

Descriptors: Analysis of Covariance, Analysis of Variance, Comparative Analysis, Equations (Mathematics)