Homogeneity of variance is the assumption that your data sets are equal in variance. It allows for the validation of conclusions for the many tests used in statistical analysis. It also allows you ...

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 ...

This general framework accommodates many common correlated-data methods, including variance component models and repeated measures analyses. A few other procedures in SAS/STAT software offer limited ...