Intercept
To fill a single column in the design matrix with ones, select the FillCol | Intercept menu choices. The current column is the one containing the highlighted cell. As an example, suppose the following design matrix is on the screen, with the current column shown as the one with the underlined value.
|
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
|
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
|
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
|
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
|
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
|
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
After the column is filled with ones, the matrix would look like this.
|
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
|
0 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
|
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
|
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
|
0 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
|
0 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
|
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
|
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |