Figure 3.

Q scores for contigs of different size. The number of questionable clones identified by FPC rises with the size of the contig. Very large contigs tend to have a disproportionate number of Q's, suggesting improper assembly of repetitive sequences. The line represents a least squares fit of y = 0.252x (r2 = 0.54).

Katagiri et al. BMC Genomics 2005 6:89   doi:10.1186/1471-2164-6-89
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