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Table 4 Davies Bouldin index for PCA, ICA and IPCA on the three data sets.

From: Independent Principal Component Analysis for biologically meaningful dimension reduction of large biological data sets

Dataset # of components PCA ICA IPCA
Liver Toxicity study 2 components 1.809 1.923 1.242
Liver Toxicity study 3 components 1.523 1.578 1.525
Prostate cancer study 2 components 4.117 1.679 1.782
Prostate cancer study 3 components 3.312 2.316 2.315
Yeast metabolomic study 2 components 1.894 1.788 2.338
Yeast metabolomic study 3 components 2.119 2.139 2.037