A method for generating simulated plasmodes and artificial test clusters with user-defined shape, size, and orientation

被引：22

作者：

Waller, NG ^{[1
]}

Underhill, JM

Kaiser, HA

机构：

[1] Vanderbilt Univ, Peabody Coll, Dept Psychol & Human Dev, Nashville, TN 37203 USA

[2] Univ Calif Davis, Davis, CA 95616 USA

来源：

MULTIVARIATE BEHAVIORAL RESEARCH | 1999年 / 34卷 / 02期

关键词：

D O I：

10.1207/S15327906Mb340201

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We present a simple method for generating simulated plasmodes and artificial test clusters with user-defined shape, size, and orientation. Our method differs from other cluster generation techniques in that it focuses on the validity of the duster indicators. For J clusters, indicator validity is defined as the squared correlation ratio between the cluster indicator (i.e., the observed variable) and J-1 dummy variables. The within-cluster correlation structure and the univariate distributions of the cluster indicators are specified with procedures outlined by Fleishman (1978) and Vale and Maurelli (1983). Simulation results illustrate the utility of the method for cluster analysis evaluation research.

引用

页码：123 / 142

页数：20

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