Table 2.

Example expanded data set for 3 subjects to compute covariate-fitted values, ${\widehat{y}}_{ij}$

Subject	Position
(i)	(j)	yi	xi	${\widehat{y}}_{ij}$
1	1	1	x 1	${\widehat{y}}_{11}$
1	2	1	x 1	${\widehat{y}}_{12}$
2	2	1	x 2	${\widehat{y}}_{22}$
2	3	1	x 2	${\widehat{y}}_{23}$
2	5	1	x 2	${\widehat{y}}_{25}$
3	2	0	x 3	${\widehat{y}}_{32}$
3	4	0	x 3	${\widehat{y}}_{34}$
3	5	0	x 3	${\widehat{y}}_{35}$