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Fig. 4 | BMC Bioinformatics

Fig. 4

From: Accurate determination of node and arc multiplicities in de bruijn graphs using conditional random fields

Fig. 4

Part of the q-mer histogram of the real P. aeruginosa (25×) dataset. The red line shows the optimal coverage cutoff value. The purple shaded area represents nodes with a coverage below this cutoff value that have true multiplicity 1 whereas the green shaded area represents nodes with a coverage above the cutoff that have true multiplicity 0. These nodes represent false positives and false negatives respectively when using a cutoff-based method. In contrast, the CRF model is able to correctly classify the majority of nodes (lighter shaded purple and green areas)

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