Category Archives: Praxes

With spring semester in my rear view mirror, I found some time to use the maptools package to make a proficiency map that can be displayed in Google Earth. It’s essentially a choropleth map in Keyhole Markup Language (KML) format. … Continue reading →

Each year the Department of Educational Psychology holds Graduate Student Research Day to showcase research conducted by its graduate students. About 90 people attended this year. I was one of six students who delivered a presentation. My fellow presenters–Ruth Swartwood, … Continue reading →

If was a band, and if that band had a greatest hits album, and if the album featured R commands instead of songs, then the following commands should be counted among the greatest hits (or the most obscure hits). windows(record=T) … Continue reading →

I am the teaching assistant for EPSY 8262 Statistical Methods II: Regression and the General Linear Model, taught by Dr. Jeffrey D. Long. is the statistical software that we use in the course. Installing and using R can be difficult … Continue reading →

Minnesota newspapers have been covering a Wilder Research study that I helped conduct. Here are some of the news articles: Kids not ready for kindergarten cost Minnesota schools $113 million a year Unprepared kindergartners cost districts millions Study: Lack of … Continue reading →