Table 2 Average values of the correlation coefficient between pairs of probes that each has its single sequence of k Gs starting with the first base
From: G-spots cause incorrect expression measurement in Affymetrix microarrays
| Length of starting sequence, k | 2 | 3 | 4 | 5 | 6 | 7 |
| Number of probes | 5189 | 1279 | 331 | 67 | 11 | 5 |
| Average correlation | 0.03 | 0.15 | 0.68 | 0.83 | 0.91 | 0.94 |