| G04AGF | Two-way analysis of variance, hierarchical classification, subgroups of unequal size | 
| G04BBF | Analysis of variance, randomized block or completely randomized design, treatment means and standard errors | 
| G08AEF | Friedman two-way analysis of variance on k matched samples | 
| G08ALF | Performs the Cochran Q test on cross-classified binary data |