1. Feature Gap Diagram S. Deelstra (c) 2002. S. Deelstra

2. Definitions Variability: the ability to be subject to variation Variation point: the element of the representation at hand that refers to a delayed design decision

3. FGD Construction Name and number your features Identify feature types (key, desired, fancy) Classify the amount of support for each feature (full, good, basic, weak, no) Plot (c) 2002. S. Deelstra

5. Benefits Initial Feature Selection Framework selection Convince your Customers Framework evolution (c) 2002. S. Deelstra

6. Initial Feature Selection