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Table 1 Spearman rho values used for evaluation of CATSCAN image ordering

From: Spectral embedding finds meaningful (relevant) structure in image and microarray data

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

  1. 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.