A brief vignette on incorporating interactions with continuous predictors.

A demonstration of a custom function for generating stratified random samples from an arbitrary number of factors.

Lecture slides from a presentation on the structure and implementation of interactive graphics.

A demonstration of a custom function for splitting a dataframe while accounting for a cluster variable. Primarily intended for use with multi-level models.

A quick demonstration of how to generate a curriculum vitae that is linked with BibDesk.

A brief demonstration on how to access BibDesk entries across computers.