The variable _RESID_ can then be analyzed for normality using PROC UNIVARIATE.
Predicting new values automatically
SAS provides regression equations, but it can also use those equations to provide new
estimates for you. For example, suppose that you wanted to use the regression equation
above to predict TASTE for H2S=3, 4, 5, ..., 8. You could add new observations to the
CHEDDAR dataset as follows: