Ordinal Regression Scale Model

The Scale dialog box allows you to specify the scale model for your analysis.

Factors/covariates. The factors and covariates are listed.

Scale model. The model depends on the main and interaction effects that you select.

For the selected factors and covariates:

Interaction

Creates the highest-level interaction term of all selected variables. This is the default.

Main effects

Creates a main-effects term for each variable selected.

All 2-way

Creates all possible two-way interactions of the selected variables.

All 3-way

Creates all possible three-way interactions of the selected variables.

All 4-way

Creates all possible four-way interactions of the selected variables.

All 5-way

Creates all possible five-way interactions of the selected variables.

To Specify an Ordinal Regression Scale Model

This feature requires the Statistics Base option.

1. From the menus choose:

   Analyze > Regression > Ordinal...

2. In the Ordinal Regression dialog box, click Scale.
3. Build the scale model that you want.