Two-Way ANOVA

I have two set of scores before and after education for the same group of students. It is recommended to use two-way ANOVA to asses the education effect but I cannot find corresponding node.

Please advice.

Igor

Hi,

you will have to use a R snippet. A document to help you here : http://www.stat.columbia.edu/~martin/W2024/R8.pdf

Fabien