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. 2017 Mar 10;8(21):34310–34320. doi: 10.18632/oncotarget.16110

Table 1. Results of cross validation for different weight thresholds (columns 2 to 5).

Weight Threshold 1.0 0.5 0.25 0.0
Maximally possible TPs 3573
True positives 3027 3474 3461 3111
(3372) (3521) (3528) (3485)
False negatives 546 99 112 462
(201) (52) (45) (88)
False positives 22 37 59 4631
(18) (94) (155) (7689)
Sensitivity % 85 97 97 87
(94) (99) (99) (98)
Specificity % 99
F1 % 91 98 98 55
(97) (98) (97) (47)
Positive predictive value % 99 99 98 40
(99) (97) (96) (31)

A higher threshold enforces utilization of more specific variants but reduces the amount of considered variants. Depending on the threshold (0.0, 0.25, 0.5 1.0), between 3027 and 3474 of the 3573 true relationships between CCLs are successfully recovered. Numbers in brackets show results when the to-be-expected amount of matching variants is set manually to 10 variants; numbers without brackets show statistically estimated background-noise strength (regularized, see methods).