what is r interaction term what is the relationship between the relationship between the coefficients on the coefficient of a variable and the interval of an interaction of terms? what is the relationship between variables in r models r model of interaction of variables what kind of analysis is used in r to fit a model? can i fit binary variables in r what is the r interval how do i fit a model with interaction variables in r? what type of model should i use r if the interaction of terms of the model is zero is __________, what is the model used for? what type of analysis is needed to fit this model in r? how to fit a variable in r slang what model is used to fit a variable in r can r fit any variable to a model what type of analysis is needed to fit a model in r? how to fit db model in r how do i find the interaction of the variable for a model what is the relationship between the interaction of the variables in r what is the interaction of terms in r and model how to fit an entire model