Figure 2.

Intra and inter-run variation in UHRR samples: Pearson-correlations. Pairwise UHRR Pearson-correlation heatmaps highlight the batch differences, particularly between run 2 and run 4. Red cells correspond to ~97% correlation and white to 100% correlation. Batches and sample numbers are consistent with the colouring and labelling in Figure 1. All data were detection filtered, as described in methods. A = raw data; B = normalised; C = quantile normalised, plus mean-centring; D = quantile normalised, plus ComBat.

Kitchen et al. BMC Genomics 2010 11:134   doi:10.1186/1471-2164-11-134
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