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Table 3 Assessment of outlier removal and flooring.

From: Assessment of data processing to improve reliability of microarray experiments using genomic DNA reference

Techniques r Number of genes in opposite categories
  Fum/O2 Fe/O2 Fe/Fum Fum/O2 Fe/O2 Fe/Fum
No_outlier 0.76 0.84 0.76 5 1 1
Outlier_p < 0.01 0.76 0.84 0.75 4 3 1
Outlier_p < 0.05 0.76 0.84 0.75 5 5 1
No floor 0.76 0.85 0.77 2 6 2
Floor of 20 0.76 0.84 0.75 5 5 1
Floor of 50 0.77 0.84 0.78 5 4 1
Floor of 1% 0.75 0.83 0.72 7 7 2
  1. Both techniques are dispensable for type 2 microarray analyses.