Adapting the Warmack–Gonzalez algorithm to handle discrete data

Adapting the Warmack–Gonzalez algorithm to handle discrete data

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Article ID: iaor20001893
Country: Netherlands
Volume: 113
Issue: 3
Start Page Number: 632
End Page Number: 642
Publication Date: Mar 1999
Journal: European Journal of Operational Research
Authors:
Keywords: discriminant analysis
Abstract:

Soltysik and Yarnold propose, as a method for two-group multivariate optimal discriminant analysis (MultiODA), selecting a linear discriminant function based on an algorithm by Warmack and Gonzalez. An important assumption underlying the Warmack–Gonzalez algorithm is likely to be violated when the data in the discriminant training samples are discrete, and in particular when they are nominal, causing the algorithm to fail. We offer modest changes to the algorithm that overcome this limitation.

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