can a parametric model contain an independent variable and a term what is the category of a linear model called? which regressor is independent and/or ar what are the independent or statistical variables in the arima model? is the arc term a regressor? is the term ar and independent variable regressors? how to find the significance of the AR model is ac term and independent variable regress what is the category of a linear model? what is the independent variable of model what is the category of a linear model called? is an ar term significant what is the category of a linear model called? what is the independent variable in an ar model called what type of variable in a regression model uses an independent variable? how to regress from a linear model what is the category of this linear model called? why is the r term significant in linear model which term is significant in an ac model? what is the category of this statistically significant linear model called