Dylan Small

Associate Professor
Department of Statistics
Wharton School
University of Pennsylvania

Office: 464 Jon M. Huntsman Hall

Email: dsmall at wharton dot upenn dot edu

Phone: (215) 573-5241

Fax: (215) 898-1280

2009 Atlantic Causal Modeling Conference

Academic Appointments

Associate Professor, Department of Statistics, The Wharton School, University of Pennsylvania.
Associate Scholar, Biostatistics Unit, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine.
Senior Fellow, Leonard Davis Institute of Health Economics.

Editorial Appointments

Associate Editor, The American Statistician.
Associate Editor, Biometrics.
Associate Editor, Evaluation Review.
Associate Editor, Journal of the American Statistical Association.
Associate Editor, Journal of Educational and Behavioral Statistics.

Teaching

Fall 2008: Stat 112, Introductory Statistics II.
Fall 2008: Stat 475/920, Survey Sampling.
Fall 2008: Stat 550, Mathematical Statistics.

Research Interests

Design and analysis of experiments and observational studies for comparing treatments.
Longitudinal data.
Measurement error.
Applications of statistics to public health, medicine and economics.

Papers

Jensen, S., Erkan, I., Arnardottir, E. and Small, D. Bayesian testing of many hypotheses x many genes: a study of sleep apnea. Annals of Applied Statistics, in press. Paper

Zhang, K. and Small, D. Comment on "The esssential role of pair matching in cluster randomized experiments with application to the Mexican universal health insurance evaluation." Statistical Science, in press. Paper

Small, D. and Rosenbaum, P. Error free milestones in error prone measurements. Annals of Applied Statistics, in press. Paper

Heller, R., Rosenbaum, P. and Small, D. Split samples and design sensitivity in observational studies. Journal of the American Statistical Association, in press. Paper

Heller, R., Manduchi, E. and Small, D. Matching methods for observational microarray studies. Bioinformatics, in press. Paper. Software

Gallop, R., Small, D., Lin, J., Elliott, M., Joffe, M. and Ten Have, T. Mediation analysis with principal stratification. Statistics in Medicine, in press. Paper

Small, D., Gastwirth, J., Krieger, A. and Rosenbaum, P. Simultaneous sensitivity analysis for observational studies using full matching or matching with multiple controls. Statistics and Its Interface, in press. Paper. Data Set (Documentation).

Small, D. and Cheng. J. Discussion of "Identifiability and Estimation of Causal Effects in Randomized Trials with Noncompliance and Completely Nonignorable Missing Data." Biometrics, in press. Paper

Kurichi, J., Small, D., Bates, B., Prvu-Bettger, J., Kwong, P., Vogel, W.B., Bidelspach, D. and Stineman, M. Possible incremental benefits of specialized rehabilitation bed units among veterans following lower extremity amputation. Medical Care, in press. Abstract

Cheng, J., Small, D., Tan, Z. and Ten Have, T. Efficient nonparametric estimation of causal effects in randomized trials with noncompliance. Biometrika , in press. Paper

Lai, T., Small, D. and Liu, J. Statistical inference in dynamic panel data models. Journal of Statistical Planning and Inference, in press. Paper.

Entine, O. and Small, D. (2008). The role of rest in the NBA home court advantage. Journal of Quantitative Analysis in Sports, Vol 4: Iss. 2, Article 6. Paper.

Joffe, M., Small, D., Brunelli, S., Ten Have, T. and Feldman, H. (2008). Extended instrumental variables estimation for overall effects. International Journal of Biostatistics, Vol. 4: Iss. 1, Article 4. Paper.

Small, D. and Rosenbaum, P. War and wages: the strength of instrumental variables and their sensitivity to unobserved biases. Journal of the American Statisical Association, 103, 924-933. Paper.

Small, D., Ten Have, T. and Rosenbaum, P. Randomization inference in a group randomized trial of treatments for depression: covariate adjustment, noncompliance and quantile effects. Journal of the American Statistical Association, 103, 271-279. Paper.

Small, D. (2007). Sensitivity analysis for instrumental variables regression with overidentifying restrictions. Journal of the American Statistical Association, 102, 1049-1058. Paper Errata

Joffe, M., Small, D. and Hsu, C.-Y. (2007). Defining and estimating intervention effects for groups that will develop an auxiliary outcome. Statistical Science, 22, 74-97. Paper. Software. Link to journal

Lai, T. and Small, D. (2007). Marginal regression analysis of longitudinal data with time-dependent covariates: a generalized method of moments approach. Journal of the Royal Statistical Society, Series B, 69, 79-99. Paper. Software (Software Documentation).

Cheng, J. and Small, D. (2006). Bounds on causal effects in three-arm trials with noncompliance. Journal of the Royal Statistical Society, Series B, 68, 815-836. Paper. Software (Software Documentation).

Small, D., Gastwirth, J., Krieger, A. and Rosenbaum, P. (2006). R-Estimates vs. GMM: A theoretical case study of validity and efficiency. Statistical Science, 21, 363-375. Paper. Link to journal

Small, D., Ten Have, T., Joffe, M. and Cheng, J. (2006). Random effects logistic models for analysing efficacy of a longitudinal randomized treatment with non-adherence. Statistics in Medicine, 25, 1981-2007. Paper

Apter, A., Cheng, J., Small, D., Bennett, I., Albert, C., Fein, D., George, M. and Van Horne, S. (2006). Asthma numeracy skill and health literacy. Journal of Asthma, 43, 705-710. Abstract

Chen, Y. and Small, D. (2005). Exact tests for the Rasch model via sequential importance sampling. Psychometrika, 70, 11-30. Abstract

Contact information

: Department of Statistics; The Wharton School; University of Pennsylvania; 400 Jon M. Huntsman Hall; 3730 Locust Walk; Philadelphia, PA 19104

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