The SURVEYREG Procedure

Domain Analysis

A DOMAIN statement requests that the procedure perform regression analysis for each domain.

For a domain D, let upper I Subscript upper D be the corresponding indicator variable:

upper I Subscript upper D Baseline left-parenthesis h comma i comma j right-parenthesis equals StartLayout Enlarged left-brace 1st Row 1st Column 1 2nd Column if observation left-parenthesis h comma i comma j right-parenthesis belongs to domain upper D 2nd Row 1st Column 0 2nd Column otherwise EndLayout

Let

v Subscript h i j Baseline equals w Subscript h i j Baseline upper I Subscript upper D Baseline left-parenthesis h comma i comma j right-parenthesis equals StartLayout Enlarged left-brace 1st Row 1st Column w Subscript h i j Baseline 2nd Column if observation left-parenthesis h comma i comma j right-parenthesis belongs to domain upper D 2nd Row 1st Column 0 2nd Column otherwise EndLayout

The regression in domain D uses v as the weight variable.

Last updated: December 09, 2022