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The Problem of Local Optimality with OSMOD

Published online by Cambridge University Press:  01 January 2025

Tatsuo Otsu  and
Takayuki Saito
Tatsuo Otsu*
Affiliation:
Department of Behavioral Science Hokkaido University
Takayuki Saito
Affiliation:
Department of Behavioral Science Hokkaido University
*
Requests for reprints should be sent to Tatsuo Otsu, Department of Behavioral Science, Bungakubu, Hokkaido University, Kita 10 Nishi 7, Kita-ku, Sapporo, 060, JAPAN.
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Abstract

The possibility of obtaining locally optimal solutions with categorical data is pointed out for the original version of OSMOD development by Saito and Otsu. A revision of the initialization strategy in OSMOD is suggested, and its effectiveness in diminishing this possibility is demonstrated.

Keywords

categorical datalocal optimaprincipal component analysisnonlinear optimizationOSMOD

Information

Type
Original Paper
Information
Psychometrika , Volume 55 , Issue 3 , September 1990 , pp. 517 - 518
Copyright
Copyright © 1990 The Psychometric Society

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References

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