Figure 2From: Discarding duplicate ditags in LongSAGE analysis may introduce significant errorOverview of the LongSAGE_bias.pl PERL script used for the data analyses. The quality threshold of sequence files can be set at any level desired. A high quality threshold may lead to the under representation of difficult to sequence tags. If set to zero all tags are included and the number of tags observed once or twice increases.Back to article page