Table 9.
Coding of the design matrix, exchangeability blocks and variance groups for Example 1. Under unrestricted exchangeability, all subjects are assigned to a single block, and with identical variances, all to a single variance group. The regressor m1 codes for the overall mean, whereas m2 codes for handedness.
| Coded data (Y) |
eb | vg | Model (M) |
|
|---|---|---|---|---|
| m1 | m2 | |||
| Subject 1 | 1 | 1 | 1 | h1 |
| Subject 2 | 1 | 1 | 1 | h2 |
| Subject 3 | 1 | 1 | 1 | h3 |
| Subject 4 | 1 | 1 | 1 | h4 |
| Subject 5 | 1 | 1 | 1 | h5 |
| Subject 6 | 1 | 1 | 1 | h6 |
| Subject 7 | 1 | 1 | 1 | h7 |
| Subject 8 | 1 | 1 | 1 | h8 |
| Subject 9 | 1 | 1 | 1 | h9 |
| Subject 10 | 1 | 1 | 1 | h10 |
| Subject 11 | 1 | 1 | 1 | h11 |
| Subject 12 | 1 | 1 | 1 | h12 |
| Contrast 1 (C1′) | + 1 | 0 | ||
| Contrast 2 (C2′) | − 1 | 0 | ||