Paul R. Yarnold, Ph.D., Fred B. Bryant, Ph.D., Ariel Linden, Dr.P.H.
Optimal Data Analysis, LLC, Loyola University Chicago, Linden Consulting Group, LLC
We demonstrate the use of optimal data analysis to obtain a hierarchically optimal classification tree-based propensity score model for an application with three (treatment) groups, and to assess outcome differences between treatment groups after weighting observations by propensity scores to reduce threats to causal inference.
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