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Table 3 Factors affecting intensity measurements.

From: Development and validation of a bovine macrophage specific cDNA microarray

Effect Variance SE (variance) Variance % Variance 0 hours Variance 2 hours Variance 16 hours Variance 0 hours (%) Variance 2 hours (%) Variance 16 hours (%)
Slide 0.032 0.015 2 0.035 0.161 0.054 2 10 4
Gene 1.146 0.006 79 1.126 1.152 1.160 80 71 77
Replicate Spots 0.135 0.001 9 0.174 0.123 0.107 12 8 7
Channel 0.145 0.001 10 0.069 0.179 0.186 5 11 12
  1. The contributions to variation in log(intensity) of slide, gene, replicate spots and channel, together with their standard errors and percentage variance accounted for. Equivalent estimates and percentages are presented separately for the 3 time points