Difference: BryanShepherd (r77 vs. r76)

Bryan Shepherd, PhD

Associate Professor

E-mail: bryan.shepherd@vanderbilt.edu
Phone: 615-343-3496
Fax: 615-343-4924
Office: 2525 West End, 11124
Vanderbilt University School of Medicine
Department of Biostatistics
2525 West End, Suite 11000
Nashville, TN 37203

Research Interests

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

Curriculum Vitae

CV (last updated June 2016)

Some Methods Papers

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.
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.
Lu X, Mehrotra DV, Shepherd BE (2013). Rank-based principal stratum sensitivity analyses. Statistics in Medicine 32: 4526-4539. abstract; code.
Li C, Shepherd BE (2012). A new residual for ordinal outcomes. Biometrika 99: 473-480. paper.
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.
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
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
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
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
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
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.
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

sensitivityPStrat: R package that performs sensitivity analyses to assess treatment effects within principal strata.
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
ComparingWhenToStart: R script used to compare two different approaches for estimating when to start HIV therapy
DataValidationMethods: Web page for Data Validation Methods

Archived Analyses

ArchivedAnalysesChairSearchWishlist

Courses

CourseBios341 (Introduction to Probability and Statistical Theory)

 
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