If a product is similar to several previously developed projects, then the precedentedness is high.
| Feature | Very Low | Nominal/High | Extra High |
|---|---|---|---|
| Organizational understanding of product objectives | General | Considerable | Thorough |
| Experience in working with related software systems | Moderate | Considerable | Extensive |
| Concurrent development of associated new hardware and operational procedures | Extensive | Moderate | Some |
| Need for innovative data processing architectures, algorithms | Considerable | Some | Minimal |
Scale Factors for COCOMO.II Early Design and Post-Architecture Models
| PREC Descriptors | thoroughly unprecedented | largely unprecedented | somewhat unprecedented | generally familiar | largely familiar | thoroughly familiar |
|---|---|---|---|---|---|---|
| Rating Levels | Very Low | Low | Nominal | High | Very High | Extra High |
| Value | 6.20 | 4.96 | 3.72 | 2.48 | 1.24 | 0.00 |