My current research is in the area of environmental statistics, bioinformatics, and Bayesian inference.

Publications:

Boone, E.L., Ricanek, K., Simmons, S.J. (2007) “Quantitative Trait Loci Analysis Using a Bayesian Framework”, International Joint Conference on Neural Networks 2007 Proceedings, 1216-1220.

Simmons, S. and Peddada, S. (2007) “Order-restricted inference for ordered gene expression (ORIOGEN) data under heteroscedastic variances”, Bioinformation 1 (10), 414-419.

Simmons, S.J. and Stapleton, A. E. (2006) “Bayesian Hierarchical Models to Detect Quantitative Trait Loci”, Chance 19, 11-14.

Boone,E.L., Simmons,S.J., Ye, K., Stapleton, A.E. (2006) “Analyzing Quantitative Trait Loci for the Arabidopsis thaliana using Markov Chain Monte Carlo Model Composition with restricted and unrestricted model spaces”, Statistical Methodology 3, 69-78.

Stapleton, A. E. and Simmons, S.J. (2005) “Plant Control of Phyllosphere Diversity: Genotype Interactions with Ultraviolet-B Radiation” Chapter 16 in Phyllosphere 2005, APS Press.

Piegorsch, W.W., Simmons, S.J., and Zeiger, E. (2004) “Data mining potency estimators from toxicological databases”, Bulletin of Informatics and Cybernetics 36, 51-62.

Simmons, S., Lin, X., Beecher, C., Truong, Y., and Young, S. (2004), "Active and Passive Learning to Explore a Complex Metabolomic Data Set", Classification, Clustering, and Data Mining Applications, eds. D. Banks, L. House, F. R. McMorris, P. Arabie, W. Gaul.  Springer-Verlag: Berlin, pp. 447-456.

Simmons, S.J., Piegorsch, W.W., Nitcheva, D., Zeiger, E. (2003), “Combining environmental information via hierarchical modeling: an example using mutagenic potencies”, Environmetrics, 14 159-168.

Piegorsch, W. W., Simmons, S. J., Margolin, B. H., Zeiger, E., Gidrol, X. M., Gee, P. (2000), “Statistical modeling and analyses of a base-specific Salmonella mutagenicity assay”, Mutation Research 467, 11-19.

Pearson, C., Simmons, S.J., Ricanek, K., Boone, E.L.  “Comparative Analysis of a Hierarchical Bayesian Method for Quantitative Trait Loci Analysis for the Arabidopsis Thaliana”, accepted proceedings of PRIB.

Blanding, C.L., Simmons, S.J. , Casati, P., Walbot V., Stapleton, A.E.  “Coordinate regulation of maize genes during increasing exposure to ultraviolet radiation:  identification of UV-responsive genes, pathways, and associated potential promoter motifs” accepted Plant Biotechnology.

Presentations:

Ø Analyzing a Complex Metabolomic Data Set, invited session, ENAR, March 2007

Ø Hierarchical Bayes Model to detect QTLs, ENAR, March 2006

Ø Analyzing a Complex Metabolomics Data Set, invited session, JSM, August 2006

Ø Hierarchical Bayes Model to detect QTLs, Biostatistics seminar, University of South Carolina, April 2006

Ø Hierarchical Bayes Model to detect QTLs, Bayesian Workshop, Carnegie Mellon University, September 2005

Ø Hierarchical Bayes Model to detect QTLs, Joint Statistical Meeting (JSM), August 2005

Ø Recursive partitioning to analyze metabolomic data sets, Metabolomics workshop, July 2005

Ø Navigating a Job Search: A Panel for Graduate Students, MAA Southeast Regional, March 2005

Ø Sampling distribution example, Project NExT-SE, MAA Southeast Regional, March 2005

Ø A Generalized Estimating Equations approach to model a cDNA microarray experiment, Joint Statistical Meeting (JSM), August 2004

Ø Recursive Partitioning to explore a complex metabolomics data set, special invited session at the Quality and Productivity Research Conference, May 2004

Ø Data mining potency estimation in the Ames/Salmonella assay, Eastern North Atlantic Region of Biometrics (ENAR), March 2003