A linear regression trend line is shown for reference ... This pattern is an example of positive autocorrelation. Time series regression usually involves independent variables other than a time-trend.

Catherine Falls Commercial/Getty Images Linear regression is a type of data analysis that considers the linear relationship between a dependent variable and one or more independent variables.

The AUTOREG procedure provides regression analysis and forecasting of linear models with autocorrelated or heteroscedastic errors. The AUTOREG procedure includes the following features: estimation and ...