Figure 4

Distributions of retention time based score C_RT for true and false positive peptide matches of the bovine histone data set: (a) probability density function $f_{C_{\text{RT}}}(C_{\text{RT}})$ and (b) cumulative density function $F_{C_{\text{RT}}}(C_{\text{RT}})$. Theoretical distributions of true positive matches are indicated by the solid lines.