Bayesian topics in biostatistics : treatment selection, sample size, power, and misclassification.

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dc.contributor.advisorTubbs, Jack Dale.
dc.contributor.advisorStamey, James D.
dc.contributor.authorDoty, Tave Parker.
dc.contributor.departmentStatistical Sciences.en_US
dc.contributor.schoolsBaylor University. Dept. of Statistical Sciences.en_US
dc.date.accessioned2011-12-19T19:45:40Z
dc.date.available2011-12-19T19:45:40Z
dc.date.copyright2011-12
dc.date.issued2011-12-19
dc.description.abstractBayesian methodology is implemented to investigate three problems in biostatistics. The first problem considers using biomarkers to select optimal treatments for individual patients. A Bayesian adaptation of the selection impact (SI) curve developed by Pepe and Song (2004) is investigated. The second problem considers a Bayesian approach for determining specific sample sizes to achieve a desired range of power for fixed-dose combination drug trials. Sidik and Jonkman (2003) developed a sample size formula using the intersection-union test for testing the efficacy of combination drugs. Our results are compared to their frequentist approach. The third problem considers response misclassification in fixed-dose combination drug trials under two scenarios: when the sensitivity and specificity are known, and when the sensitivity and specificity are unknown but have specified informative prior structures.en_US
dc.description.degreePh.D.en_US
dc.identifier.urihttp://hdl.handle.net/2104/8260
dc.language.isoen_USen_US
dc.publisheren
dc.rightsBaylor University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact librarywebmaster@baylor.edu for inquiries about permission.en_US
dc.rights.accessrightsWorldwide access.en_US
dc.rights.accessrightsAccess changed 5/21/14.
dc.subjectBayesian statistics.en_US
dc.subjectBiomarkers.en_US
dc.subjectCombination drugs.en_US
dc.subjectTreatment selection.en_US
dc.subjectSample size.en_US
dc.subjectPower.en_US
dc.subjectMisclassification.en_US
dc.titleBayesian topics in biostatistics : treatment selection, sample size, power, and misclassification.en_US
dc.typeThesisen_US

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