Table 1.

Average coefficients of repeatability for two targets hybridized on the same array

Sample	Self-self	Replicates	Different targets
DNA	0.260	0.29 ± 0.03	1.00 ± 0.11
	-	(0.16)*	(1.04)*
IVTIII	0.265 ± 0.004	0.64 ± 0.014	1.24 ± 0.12
	(0.163) *	(0.59)*	(1.29)*
GA	0.287	0.80 ± 0.065	1.03 ± 0.21
	-	(0.49)*	(0.96)*
SMART	-	0.42 ± 0.07	0.60 ± 0.13
	-	(0.27)*	(0.49)*
SM37	-	0.87 ± 0.16	0.94 ± 0.11
	-	(0.71)*	(0.88)*

CR = 2SD(log₂(R)/log₂(G). *CR values for averaged microarray data.