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Table 5 Effect of imposing minimal gene expression levels on cluster correlation

From: Microarray data mining: A novel optimization-based approach to uncover biologically coherent structures

  No Adjustment 1.9-fold, at least 5% time points 1.8-fold, at least 10% time points 1.7-fold, at least 10% time points 1.6-fold, at least 20% time points
Number of Genes 5657 4317 4045 4346 4280
Optimal Clusters 224 135 118 123 140
Ave. Correlation 0.666 0.706 0.728 0.735 0.719
Max. Correlation 0.925 0.925 0.940 0.947 0.934
Min. Correlation 0.387 0.445 0.478 0.474 0.469
  1. We compare the effects on genes retention and correlation results of within-cluster elements after clustering dataset II by the iterative algorithm.