Fig. 1From: An empirically driven data reduction method on the human 450K methylation array to remove tissue specific non-variable CpGsQuality control of samples from GEO for each tissue type. a Heat maps showing sample-sample correlation values. Side colours show the study ID of each sample, and samples are ordered by study ID. b Plots of the average sample-sample correlation for each sample to show possible outliers and studies with overall low average sample-sample correlationBack to article page