Keeping data (latest report from ISBSG)
Table 1 stage distribution
Plan Spec Build Test Impl
5% 23% 41% 22% 9% New DEV 6% 20% 48% 17% 9% RE-DEV 7% 9% 29% 14% 41% enhancements 3% 27% 37% 26% 7%
Table 2 Deceptage In Defects Per 1000FPS
N min Medium Max New DEV 73 0.001 0.016 0.639 Re-dev 4 0.004 0.028 0.033 Enhancements 56 0.001 0.022 0.565
Table 3 Function point distribution
New dev re-dev enhancements n added custom deleded Total
311 17 408 306 83 454 Inputs 29.3 32.5 31.9 37.8 38.0 34.4 Outputs 24.3 23.8 31.4 25.9 35.1 29.4 Enquires 14.8 9.2 13.5 16.0 10.7 14.1 Files 23.5 25.0 15.6 18.0 11.1 16.5 Interface 8.1 9.5 7.5 2.3 5.1 5.6
Sum 55.3 42.0 2.7
[Note]: These data are particularly suitable for the FPA-based project comparison, and the Sloc project can also be converted to the comparison.