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Figure 1 | BMC Bioinformatics

Figure 1

From: Statistical issues in the analysis of Illumina data

Figure 1

Raw foreground and background intensities for each strip on a typical BeadChip. Each BeadArray is made up of two strips (colour-coded) on the chip surface. The consistency of foreground and background signals between arrays is evident from this plot, as is the tendency for beads from the first strip to have higher intensities than those from the second strip, which is related to chip design.

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