Figure 3From: A score system for quality evaluation of RNA sequence tags: an improvement for gene expression profilingContribution of tags with negative scores, especially score -2, in the final library size. Semi-log graph with unique tags and total frequency of tags for 359 public human SAGE libraries analyzed with S3T, the unique tags and total frequency of tags with negative scores (-1,-2,-3,-4,-5,-6,-7,-8) are also shown in this graph.Back to article page