Fig. 2

Sensitivity and specificity of FCS-GX contamination detection. a Distributions of sensitivity measurements. Distributions are shown for artificially fragmented genomes in six kingdom groups. Sensitivity is shown for genomes fragmented at three different window sizes (1 kbp, 10 kbp, 100 kbp). For each window size, sensitivity is shown for FCS-GX runs while including the same species taxids as the source genome during the alignment stage ( +) and while excluding same species taxids ( −). b Distributions of specificity measurements for the same set of fragmented genomes in a. The dotplot shows an enlarged view of the upper limit of specificity (98–100%). The full dotplot including ten outliers not visualized here is available at Additional file 2: Fig. S3. See Additional file 1: Table S2 for complete sensitivity and specificity score data