what type of data does r use for interactions why are nested data a nonlinear predictor how to use non linear predictors why are some variables nonlinear can nonlinear interactions be nested interaction with nonlinear predictors can an interaction between variables be linear how can i use nonlinear predictors which variable has non linear relationships with other predictors interaction between nonlinear predictors what is the interaction between linear predictors how to use nonlinear predictors how to interact a non linear predictor which predictors interact interact variables with categorical variables nonlinear relationships definition what is the interaction between nonlinear predictors which predictor interact with a continuous variable? what is an interaction between multiple predictors what predictors are used with non linear data