Figure 7From: Performance evaluation of commercial short-oligonucleotide microarrays and the impact of noise in making cross-platform correlationsAccuracy of CodeLink and GeneChip differential-expression ratios relative to qrtPCR. Expression ratios for each microarray platform were measured against results from qrtPCR for a randomly selected subset of 25 genes. Pearson correlation coefficients (r) are shown for each comparison.Back to article page