how do you choose relationships what is the best subset regression for regression how to choose interactions when there are many predictors how to do a best subset analysis in regression what model to use for interactions how does two-way interaction in linear regression work? how many interaction in linear regression how to select interactions to test when there are many predictors? can there be a relationship between predictors and interactions in linear regression if you use multiple variables how do the two way interaction selection work how to choose two way interactions when to test two way interaction in regression model if a model is designed to have many variables what should be included in each interaction? how many interaction in a linear model how do you choose interactions in a regression analysis when to test interactions which two way interaction can you test in a linear regression model? when do we select interactions? what is the best subset regression model to use? which interdependencies must be included in a linear regression model?