Table V.
Scenario | Method | Correlation | % Loss of Total Correct Classification | ||||||
---|---|---|---|---|---|---|---|---|---|
n=m=k=20 | n=m=k=40 | n=m=kl=80 | n=50, m=35, k=25 | n=m=k=20 | n=m=k=40 | n=m=k=80 | n=50, m=35, k=25 | ||
1 | Youden | 0.147 | 0.147 | 0.129 | 0.124 | - | - | - | - |
CP | 0.539 | 0.550 | 0.527 | 0.524 | 1.81% | 1.55% | 1.28% | 1.54% | |
Volume | 0.573 | 0.621 | 0.570 | 0.592 | 1.50% | 1.28% | 1.06% | 1.25% | |
2 | Youden | 0.254 | 0.206 | 0.175 | 0.205 | - | - | - | - |
CP | 0.589 | 0.711 | 0.706 | 0.594 | 2.71% | 2.15% | 1.83% | 2.26% | |
Volume | 0.766 | 0.748 | 0.757 | 0.767 | 2.29% | 1.85% | 1.62% | 1.98% | |
3 | Youden | 0.229 | 0.218 | 0.232 | 0.235 | - | - | - | - |
CP | 0.652 | 0.656 | 0.670 | 0.695 | 1.70% | 1.36% | 1.16% | 1.34% | |
Volume | 0.611 | 0.599 | 0.591 | 0.652 | 1.80% | 1.39% | 1.18% | 1.42% | |
4 | Youden | 0.166 | 0.194 | 0.197 | 0.223 | - | - | - | - |
CP | 0.415 | 0.447 | 0.425 | 0.417 | 1.73% | 1.46% | 1.28% | 1.50% | |
Volume | 0.520 | 0.517 | 0.454 | 0.495 | 1.05% | 0.92% | 0.81% | 0.93% | |
5 | Youden | 0.294 | 0.208 | 0.162 | 0.259 | - | - | - | - |
CP | 0.393 | 0.342 | 0.312 | 0.356 | 1.33% | 1.22% | 1.09% | 1.15% | |
Volume | 0.462 | 0.421 | 0.391 | 0.444 | 0.70% | 0.58% | 0.45% | 0.54% | |
6 | Youden | 0.057 | −0.024 | 0.044 | 0.026 | - | - | - | - |
CP | 0.520 | 0.569 | 0.592 | 0.566 | 4.30% | 4.45% | 4.59% | 4.40% | |
Volume | 0.269 | 0.268 | 0.217 | 0.266 | 1.96% | 1.79% | 1.72% | 1.92% |
Youden = generalized Youden index, CP = closest to perfection, and Volume = max volume
The correlation and % loss of total classification estimates are described in sections 4.2 and 4.3 respectively.