False positives (FP) | = 2 * decoy hits |
True positives (TP) | = All targets above threshold - FP |
False discovery rate (FDR) | = FP / FP + TP |
Example for 1000 identifications, 20 decoy identifications.
FDR = 40 / 1000 = 4%
False positives (FP) | = 2 * decoy hits |
True positives (TP) | = All targets above threshold - FP |
False discovery rate (FDR) | = FP / FP + TP |
Example for 1000 identifications, 20 decoy identifications.
FDR = 40 / 1000 = 4%