Many of the analytical models commonly used in educational research often aim to maximize explained variance and identify variable importance within models. These models are useful for understanding general ideas and trends, but give limited insight into the individuals within said models. Data envelopment analysis (DEA), is a method rooted in…

A general convex polytope technique for exploratory data analysis and its particular application to analyzing the input-output relationship in universities is discussed. Its use is illustrated by means of a simple analysis of data from Australian universities. (MLW)