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<table border="1" cellpadding="0" cellspacing="1"> <tbody> <tr> <td style="text-align: center;">

Bryan Shepherd, <nop>PhD
---+++ Associate Professor
</td> <td style="text-align: center;"><img alt="" src="/wiki/pub/Main/ZhengZhengTang/hikewithdad3.JPG" width="275" /></td> </tr> <tr> <td>E-mail: bryan.shepherd@vanderbilt.edu <br /> Phone: 615-343-3496 <br /> Fax: 615-343-4924<br /> Office: 2525 West End, 11124 </td> <td style="text-align: center;">Vanderbilt University School of Medicine <br />Department of Biostatistics<br />2525 West End, Suite 11000<br /> Nashville, TN 37203</td> </tr> </tbody> </table>

Research Interests
* causal inference
* sensitivity analyses
* ordinal data analysis
* applications in HIV and other infectious diseases
* global health

Curriculum Vitae

<blockquote> CV (last updated Aug 2013) </blockquote>

Some Methods Papers

<blockquote>

Shepherd BE, Blevins M, Vaz LME, Moon TD, Kipp AM, Jose E, Ferreira FG, Vermund SH (2013). Impact of definitions of loss to follow-up on estimates of retention, disease progression, and mortality: Applications to an HIV program in Mozambique. American Journal of Epidemiology 178: 819-828. paper; code.
</blockquote> <blockquote>

Gilbert PB, Shepherd BE, Hudgens MG (2013). Sensitivity analysis of per-protocol time-to-event treatment efficacy in randomized clinical trials. Journal of the American Statistical Association 108: 789-800. paper; code.
</blockquote> <blockquote>

Lu X, Mehrotra DV, Shepherd BE (2013). Rank-based principal stratum sensitivity analyses. Statistics in Medicine 32: 4526-4539. abstract; code.
</blockquote> <blockquote>

Li C, Shepherd BE (2012). A new residual for ordinal outcomes. Biometrika 99: 473-480. paper.
</blockquote> <blockquote>

Shepherd BE, Shaw PA, Dodd LE (2012). Using audit information to adjust parameter estimates for data errors in clinical trials. Clinical Trials 9: 721-729. paper, Supplementary Material, code. The published version can be found at Clinical Trials.
</blockquote> <blockquote>

Shepherd BE, Yu C (2011). Accounting for data errors discovered from an audit in multiple linear regression. Biometrics 67: 1083-1091. code; paper; supplementary material. The published version can be found at Biometrics
</blockquote> <blockquote>

Shepherd BE, Gilbert PB, Dupont CT (2011). Sensitivity analyses comparing time-to-event outcomes only existing in a subset selected postrandomization and relaxing monotonicity. Biometrics 67: 1100-1110. code; paper; supplementary material; web animation. The published version can be found at Biometrics
</blockquote> <blockquote>

Li C, Shepherd BE (2010). Test of association between two ordinal variables while adjusting for covariates. Journal of the American Statistical Association 105: 612--620. code; paper- the published version can be found at Journal of the American Statistical Association
</blockquote> <blockquote>

Shepherd BE, Jenkins CA, Rebeiro PF, Stinnette SE, Bebawy SS, McGowan CC, Hulgan T, Sterling TR (2010). Estimating the optimal CD4 count for HIV-infected patients to start antiretroviral therapy. Epidemiology 21:698--705. code; paper; supplementary material- the published version can be found at Epidemiology
</blockquote> <blockquote>

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. code; paper - the published version can be found at Journal of the American Statistical Association
</blockquote> <blockquote>

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

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
</blockquote> <blockquote>

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
</blockquote> <blockquote>

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
</blockquote>

Web Applications

<blockquote> sensitivityPStrat: R package that performs sensitivity analyses to assess treatment effects within principal strata. </blockquote> <blockquote>

BootstrapProportionalHazards: Bootstraps the check and correction of the proportional hazards assumption
</blockquote> <blockquote>

HIVSurvivalPrediction: Predicts ADE-free survival probability for patients initiating HAART
</blockquote> <blockquote>

hiv-example-data.csv: Artificial HIV data for example analyses
</blockquote> <blockquote>

ComparingWhenToStart: R script used to compare two different approaches for estimating when to start HIV therapy
</blockquote> <blockquote>

DataValidationMethods: Web page for Data Validation Methods
</blockquote> <blockquote>

Archived Analyses

ArchivedAnalyses

Courses

CourseBios341 (Introduction to Probability and Statistical Theory)

AnnualAwardsBrainstorming