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Table 1 Experiment, arrays, ARSD values and average Euclidean distance for the 4256 probe sets present on all arrays and for the 67 Affymetrix normalization probe sets present on all 31 arrays.

From: Biologically relevant effects of mRNA amplification on gene expression profiles

   ARSD Average Euclidean distance
Study Arrays 4256 sets 67 norm  
Amplification (this study) biopsy (n = 3) 0.023 0.018 1.56
  heart (n = 2) 0.008 0.006 0.66
Amplification 2 (unpublished) biopsy group1 (n = 4) 0.016 0.013 0.94
  biopsy group2 (n = 6) 0.021 0.016 1.22
  biopsy group3 (n = 4) 0.021 0.017 1.26
Exercise (Schweitzer et al.) sedentary (n = 4) 0.012 0.010 0.69
  moderate ex (n = 4) 0.011 0.008 0.63
  runners (n = 4) 0.012 0.011 0.70
  weighted average: 0.015 0.012  
  weighted sd: 0.005 0.004