Far better an approximate answer to the right question, which is often vague, than the exact answer to the wrong question, which can always be made precise.
John Tukey (1962)
Professional Activities
Teaching
I teach statistics, data science, and statistical programming at Utrecht University. I also give workshops on these subjects.
Research
I primarily study methods for missing data treatment. I also collaborate extensively with social-, behavioral-, and health-scientists.
Development
A lot of the research and consulting work I do involves intensive statistical computing. I also dabble a bit in R development.
Consulting
I offer professional statistical consulting as part of the Department of Methodology and Statistics Consultancy program.