ANOVA will tell you whether there is a statistically significant difference in the population means of three or more groups ...

This process is analogous to performing an analysis of variance on continuous data, which can be performed by PROC CATMOD. If there are n nominal variables, rather than 1, then PROC CATMOD can do an n ...

On Jan. 13, the Virginia Department of Environmental Quality approved the Radford Army Ammunition Plant’s request for ...

One of the usual assumptions for the GLM procedure is that the underlying errors are all uncorrelated with homogeneous variances. You can test this assumption in PROC GLM by using the HOVTEST option ...