The granova package for R consists of four functions (granova.1w, granova.2w, granova.contr and granova.ds) that create what we term elemental graphics. That is, these functions have been developed to provide information and graphics that pertain directly to the fundamental questions that drive each of the particular methods for analysis: one-way anova, two-way anova, contrast-driven anova and dependent sample comparisons using anova. Assuming you have a working R platform, you can download the package using
An article that documents these functions has been submitted for publication. Any comments you have would be appreciated.