Abstract Details
Activity Number:
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12
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Type:
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Topic Contributed
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Date/Time:
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Sunday, August 3, 2014 : 2:00 PM to 3:50 PM
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Sponsor:
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Biometrics Section
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Abstract #312053
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Title:
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Generalized Q Learning for Binary Outcomes
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Author(s):
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Min Qian*+ and Eric B. Laber
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Companies:
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Columbia University and North Carolina State University
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Keywords:
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GLM ;
personalized treatment ;
dynamic treatment regimes
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Abstract:
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Recent research in treatment and intervention science is shifting from the traditional 'one-size-fits-all' treatment to dynamic treatment regimes, which allow greater individualization in programming over time. A dynamic treatment regime is a sequence of decision rules that specify how the dosage and/or type of treatment should be adjusted through time in response to an individual's changing needs. A commonly used approach, Q-learning, involves an iterative two-step procedure that first uses regression to model the conditional mean outcome at each stage, and second, derives the estimated policy by maximizing the estimated conditional mean functions. We consider a generalization of Q-learning to the case of Binary outcomes, where generalized linear models are employed to estimate the conditional mean function at each stage. This approach is justified via a generalization error bound and is compared with competing methods via simulation studies and a data example.
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Authors who are presenting talks have a * after their name.
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