More On: “Optimizing Suboptimal Classification Trees: S-PLUS® Propensity Score Model for Adjusted Comparison of Hospitalized vs. Ambulatory Patients with Community-Acquired Pneumonia”

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Paul R. Yarnold

Optimal Data Analysis, LLC

A recent article optimized ESS of a suboptimal classification tree model that discriminated hospitalized vs. ambulatory patients with community acquired pneumonia (CAP). This note suggests possible alternatives for two original attributes as a means of increasing model accuracy: patient disease-specific knowledge vs. “college education”, and patient-specific functional status and social support vs. “living arrangement”.

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