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An Algorithm for Finding Biologically Significant Features in Microarray Data Based on A Priori Manifold Learning

Figure 2

Dunn Index applied on sample-by-sample manifold for different cancers.

The Dunn Index found using a priori manifold learning learning (Blue) compared with PCA (Green) and Isomap (Red) computed using the sample-by-sample affinity matrix.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0090562.g002