|
Spearman rho values used for evaluation of CATSCAN image ordering |
|
| Method |
rho |
|
|
|
| PCA (cor) |
0.902 |
| PCA (cov) |
0.966 |
| Nonmetric MDS |
0.966 |
| Kernel PCA (ε = 1,040) |
0.989 |
| Spectral-Ng et al. (ε = 70) |
0.980 |
| Spectral-Lafon |
1.000 |
|
Two linear methods and four nonlinear methods are considered. For both kernel PCA and the spectral method from Ng et al., the methods were optimized at the epsilon (ε) values provided. | |
Higgs et al. BMC Bioinformatics 2006 7:74 doi:10.1186/1471-2105-7-74 |
|