Figure 3

(a) Scatter plot of all true and false peptide matches from the search in MassMatrix for the bovine histone data set. The solid line represents the LR model trained by the training data set after outlier removal (see Figure 2b). The dashed lines represent the 99% confidence band of the model. (b) Histogram of number of all true and false positive peptide matches and those lying within the 99% confidence band of the linear model, i.e. with C_RT ≥ 0.01.