Bryan Shepherd, PhD Assistant Professor
E-mail: bryan.shepherd@vanderbilt.edu Phone: 615-343-3496 Fax: 615-343-4924 Office: T-2317 MCN	Vanderbilt University School of Medicine Department of Biostatistics S-2323 Medical Center North Nashville, TN 37232-2158

Research Interests

• causal inference
• sensitivity analyses
• applications in HIV/infectious diseases

Curriculum Vitae

cv.pdf (last updated 16 June, 2009)

Some Methods Papers

Shepherd BE, Redman MW, Ankerst DP (2008). Does finasteride affect the severity of prostate cancer? A causal sensitivity analysis. Journal of the American Statistical Association 484: 1392--1404. paper - the published version can be found at Journal of the American Statistical Association

Shepherd BE (2008). The cost of checking proportional hazards. Statistics in Medicine 27: 1248--1260. paper - this is a preprint of an article published in Statistics in Medicine.

Shepherd BE, Gilbert PB, Lumley T (2007). Sensitivity analyses comparing time-to-event outcomes existing only in a subset selected postrandomization. Journal of the American Statistical Association 102, 573-582. paper. The published version can be found at Journal of the American Statistical Association

Shepherd BE, Gilbert PB, Mehrotra D (2007). Eliciting a Counterfactual Sensitivity Parameter. The American Statistician 102, 573-582. paper. The published version can be found at The American Statistician

Shepherd BE, Gilbert PB, Jemiai Y, Rotnitzky A (2006). Sensitivity analyses comparing outcomes only existing in a subset selected post-randomization, conditional on covariates, with application to HIV vaccine trials. Biometrics 62, 332-342. paper The published version can be found at Biometrics

Web Applications

BootstrapProportionalHazards: Bootstraps the check and correction of the proportional hazards assumption

HIVSurvivalPrediction: Predicts ADE-free survival probability for patients initiating HAART

hiv-example-data.csv: Artificial HIV data for example analyses

WhenToStartHaartCode: R script and Sweave files used to estimate when to start HIV therapy

OrdinalRegression: R code for assessing the association between ordinal X and ordinal Y conditional on Z (Li C, Shepherd BE, JASA, in press).

DataAuditSimulationCode: R script used for simulations of accounting for data errors when performing an audit