how to investigate a three way interaction what type of interaction is r how to investigate a three way interaction in statistics how to investigate a three way interaction how does an r interaction work how to understand a three way interaction how do you investigate a 3 way interaction what is the role of the r interaction in the statistics why three way interaction how to investigate interaction in a data set how to understand a three way interaction how do you investigate a 3-way interaction how to investigate a three way interaction how to investigate a three way interaction in statistics how to investigate a 3 way interaction how to look at three-way interaction how to investigate the interaction of variables how to investigate three way interaction what is the difference between a three way interaction and a categorical interaction? how does an interaction with the data be investigated?