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Standardized Discriminant Coefficients Revisited

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  • Daniel J. Nordlund
  • Rollin Nagel

Abstract

The reasons and methods for standardizing discriminant function coefficients are reviewed, and the recommendation of Mueller and Cozad (1988) to use the pooled within-groups variance estimate is reexamined. It is demonstrated that using either total or pooled within-groups variance estimates to standardize discriminant function coefficients can be justified on purely mathematical grounds. We argue that using total variance estimates to standardize discriminant function coefficients is a more consistent and parsimonious approach than using pooled within-group estimates.

Suggested Citation

  • Daniel J. Nordlund & Rollin Nagel, 1991. "Standardized Discriminant Coefficients Revisited," Journal of Educational and Behavioral Statistics, , vol. 16(2), pages 101-108, June.
    • Handle: RePEc:sae:jedbes:v:16:y:1991:i:2:p:101-108
    DOI: 10.3102/10769986016002101
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