computeN                Estimation of Size and Numbers of Cases and
                        Controls in the Target Population of Active
                        Treatment Recipients At Risk at the Biomarker
                        Sampling Timepoint
computePower            Power Calculations for Assessing Intermediate
                        Biomarkers as Correlates of Risk in the Active
                        Treatment Group in Clinical Efficacy Trials,
                        Accounting for Biomarker's Measurement Error
                        and Treatment Efficacy
plotPowerCont           Plotting of Power Curve versus Correlate of
                        Risk Effect Size for Continuous Biomarkers
plotPowerTri            Plotting of Power versus Correlate of Risk
                        Effect Size for Dichotomous and Trichotomous
                        Biomarkers
plotROCcurveTri         Plotting of ROC Curves for Trichotomous
                        Biomarkers
plotRRgradVE            Plotting of the Ratio of Relative Risks for
                        Higher/Lower Latent Subgroups against Correlate
                        of Risk Effect Size for Trichotomous Biomarkers
plotVElatCont           Plotting Treatment (Vaccine) Efficacy Curves
                        for Different Correlate of Risk Relative Risks
                        for Continuous Biomarkers
