Table 3.

Characteristics of a surrogate self-self hybridization

	Variance (scaled)	Autocorrelation	% z > 2	% z > 3
Affymetrix	0.33, 0.34, 0.29	0.040, 0.039, 0.036	4.5, 4.8, 4.7	1.3, 1.4, 1.3
Agilent	0.22, 0.24, 0.21	-0.001, 0.027, 0.019	4.4, 4.6, 4.9	0.5, 0.8, 0.7
Illumina	0.28, 0.36, 0.31	0.086, 0.066, 0.076	5.2, 5.3, 5.3	1.4, 1.4, 1.2
Nimblegen	0.81, 0.85, 0.60	0.009, 0.035, 0.026	4.3, 4.8, 4.5	0.5, 0.5, 0.5

For chromosome 13 of a HapMap/HapMap comparison (a surrogate self-self hybridization), presented are the variance, autocorrelation, and percentage of observations beyond two or three standard deviations.