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Table 1 Proportions of different sources of variation

From: Sources of variation in Affymetrix microarray experiments

Source dChip MAS 5.0 RMA GCRMA-EB
  Mean SD Mean SD Mean SD Mean SD
Biological variation 0.431 0.304 0.292 0.300 0.393 0.306 0.310 0.292
Labeling variation 0.206 0.230 0.136 0.198 0.221 0.224 0.147 0.192
Residual error 0.363 0.274 0.572 0.311 0.386 0.272 0.543 0.298