Dr. Williams's research interests examine linear models, empirical, methodology, simulation, and graphics. The package "nparLD" is actually an R package for the nonparametric analysis of longitudinal data in factorial experiments. the "nparLD" package is a useful tool for researchers who need to analyze longitudinal data from factorial experiments and provides a flexible and robust approach for statistical inference. for data visualization, including scatter plots, box plots, histograms, and more. Please RSVP for the event at go.fiu.edu/LongitudinalStudies