![Maximum likelihood estimates for linear regression](https://blogs.sas.com/content/iml/files/2024/03/regMLE4-640x336.png)
A statistical analyst used the GENMOD procedure in SAS to fit a linear regression model. He noticed that the table of parameter estimates has an extra row (labeled "Scale") that is not a regression coefficient. The "scale parameter" is not part of the parameter estimates table produced by PROC REG