Incorporation of gene-specific variability improves expression analysis using high-density DNA microarrays

Table 1 Correlation of residual variance values across all three paradigms¹.

	Correlation of Alpha				Standard Deviation (after transformation ² )
	Pearson Correlation		Regression Correlation
Control / GW7845	0.34048	P < 0.0001	0.3609	P < 0.0001	0.56955	P < 0.0001
Control / Troglitazone	0.29042	P < 0.0001	0.3308	P < 0.0001	0.55726	P < 0.0001
GW7845 / Troglitazone	0.30826	P < 0.0001	0.3313	P < 0.0001	0.55505	P < 0.0001

¹ See Additional File 1, which displays the ability of alpha from one paradigm to predict alpha from another paradigm. ² Transformation performed as described in the text following Durbin et al. [14].

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