aic with arima error what is the difference between regression and aima when do students use the library less how many arma errors is a sas regression model how to find out how much of a downward trend is caused by a regression what is the average linear regression for a grad students how much of the downward trend is explained by the fact that undergrad students use the library more? how can a linear regression model predict the trend of grad student usage how much of the downward trend is attributable to the fact that grad enrollment what is the slope of the annual armar error average annual average of undergraduate library visits how much of the trend of the arma error is explained what is the regression term for arga errors what is the average arma error on the trend? what model is aarma error how much of the downward trend can be explained by the number of visits per person by grad students? how do you calculate the regression coefficient for sas what is the aic for an arma error how do i explain the trend in the arma statistic how much of the trend is attributable to this trend?