About D-optimal MAT 5005 error messages (Q4)

The information in this article applies to:

MODDE^® 8.0

Symptoms:

The d-optimal design-wizard, gives the error-message MAT 5005 when the candidate set is not rich enough to support the model.

Cause:

1. You have imported the candidate set from a file and added an interaction term using 2 variables that are highly correlated (in the CS)

2. You have imported the candidate set from a file and added a square term to a factor that has only 2 levels (in the CS).

3. You have entered a cubic term for a factor that has fewer than 4 levels in the (CS)

4. You have selected an RSM design with a multilevel factor with only 2 levels.

5. You have entered a square term for a qualitative factor.