Analysis of transportation data.
Data visualization.
Applied statistics.
Sports statistics, especially golf.
Bayesian statistics.
Hardt, M., Basulto-Elias, G., Hofmann, H., Hallmark, S., Sharma, A., Dawson, J.D., Rizzo, M., and Chang, J.H. (2026) Turns and downturns in aging drivers. Transportation Research Interdisciplinary Perspectives, 39 (September 2026), Article 102214. DOI: 10.1016/j.trip.2026.102214.
Hardt, M. and Nettleton, D. (2025) A hierarchical approach to modeling golf hole scores with Hardy distributions. Journal of Quantitative Analysis in Sports, 21(2), 91-115. DOI: 10.1515/jqas-2024-0036.
Butler, S., Hamanaka, M., and Hardt, M. (2019). Graphs with at most two trees in a forest-building process. Involve, 12(4), 659-670. DOI: 10.2140/involve.2019.12.659.
Hardt, M., Hofmann, H., and Basulto-Elias, G. DrivePlotR: linked plot maps for multivariate high resolution spatio-temporal data. Submitted to the R Journal.
Basulto-Elias, G., Hallmark, S., Hardt, M., Chang, J.H., Dawson, J., Sharma, A., and Rizzo, M. Cognitive status and speed control in older drivers. Submitted to the Journal of the American Geriatrics Society.
Basulto-Elias, G., Knickerbocker, S., and Hardt, M. (2025). Development of an analytical tool for work zone performance. Available here.
Hardt, M., Hofmann, H., and Basulto-Elias, G. (2026) DrivePlotR: linked plot maps for multivariate high resolution spatio-temporal data. R package available on CRAN.
Basulto-Elias, G. and Hardt, M. (2026). Iowa Work Zone Performance Metrics Dashboard. R Shiny app available here.
Wood, J., Basulto-Elias, G., Hardt, M. (2026) flexCountReg: estimation of a variety of count regression models. R package available on CRAN.
Basulto-Elias, G. and Hardt, M. (2025). Work Zone Performance Metrics Analysis Tool (WZPERFOMAT). R Shiny app available here.
Hardt, M., Hofmann, H., and Basulto-Elias, G. (2026) DrivePlotR: shareable linked plot maps for multivariate high resolution spatio-temporal data. Presentation at the Joint Statistical Meetings, Boston, MA, August 6.
Venkatasubramanian, G. and Hardt, M. (co-presenters) (2026) Optimal Sequential Decision Making in Cooperative Games. Poster presentation at the Iowa Chapter of the American Statistical Association (ASA) Annual Meeting, Ames, IA, February 27.
Hardt, M., Hofmann, H., and Basulto-Elias, G. (2026) DrivePlotR: linked plot maps for multivariate high resolution spatio-temporal data. Poster presentation at the Transportation Research Board Annual Meeting, Washington, DC, January 13.
Hardt, M. and Nettleton, D. (2024). A hierarchical approach to modeling golf hole scores with Hardy distributions. Virtual poster presentation at the Midwest Sports Analytics Meeting, hosted by Central College, Pella, IA, November 23.
Hardt, M. and Nettleton, D. (2022). New approaches to modeling golf hole scores with Hardy distributions. Poster presentation at the Iowa State University Department of Statistics 75th Anniversary Celebration Conference, Ames, IA, September 30.