Adding the Random Effect

Figure 1. GLM Univariate dialog box
GLM Univariate dialog box
  1. Recall the GLM Univariate dialog box.
  2. Select Store ID as the random factor.
  3. Click Model.
    Figure 2. Model dialog box
    Model dialog box
  4. Select Custom as the model type.
  5. Select shopfor and usecoup in the Factors and Covariates list.
  6. Select Main effects from the Build Term(s) drop-down list and select the main effects to the model.
  7. Select shopfor and usecoup in the Factors and Covariates list.
  8. Select Interaction from the Build Term(s) drop-down list and select the interaction term to the model.
  9. Select storeid in the Factors and Covariates list and select it to the model.
  10. Click Continue.
  11. Click OK in the GLM Univariate dialog box.

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