- I am associate professor of methodology and statistics in the Department of Psychiatry and Neuropsychology, Maastricht University, the Netherlands
- I do research on the statistical methods for meta-analysis and the analysis of multilevel and longitudinal data, with particular emphasis on computation statistics and software development
Most Important Projects
- metafor: a meta-analysis package for R
- mathjaxr: an R package for easy use of MathJax in Rd files (i.e., for nicely rendering mathematical equations in the HTML help files)
- poolr: an R package for pooling the results from (dependent) tests (i.e., by combining the p-values)
- course_oor: the repo for my 'Open Online Introduction to R Course'
- meta_analysis_books: R code to reproduce the examples and illustrations from various books on meta-analysis