(This article was first published on Software for Exploratory Data Analysis and Statistical Modelling, and kindly contributed to R-bloggers)
Two way analysis of variance models can be fitted to data using the R Commander GUI. The general approach is similar to fitting the other types of model in R Commander described in previous posts.

Fast Tube by Casper
The “Statistics” menu provides access to some analysis of variance models via the “Means” sub-menu:
- Multi-way ANOVA – the simplest two-way analysis of variance model that can be applied to a set of data.
The “Models” menu provides access to various diagnostics for analysis of variance models via the “Graphs” sub-menu including:
- Basic diagnostic plots – four commonly used residual diagnostics including fitted values versus residuals and a normal probability plot for the residuals.
Other useful resources are provided on the Supplementary Material page.
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