ApproxMean              Returns the approximate restricted posterior
                        mean survival for the PLLH model.
BayesPiecewiseHazard    Samples from the PEH model without covariates.
BayesPiecewiseHazardCOV
                        Samples from the PEH Cox model with a patient
                        covariate vector.
BayesPiecewiseHazardTrt
                        Samples from the PEH Cox model with a patient
                        covariate vector.
BayesPiecewiseLinearLogHazard
                        Samples from the PLLH model without covariates.
BayesPiecewiseLinearLogHazardCOV
                        Samples from the PLLH Cox model with a patient
                        covariate vector.
BayesPiecewiseLinearLogHazardTrt
                        Samples from the PEH Cox model with a treatment
                        indicator.
GetALLHazLogSlope       Computes the posterior distribution of hazard
                        value for a vector x for the Piecewise Linear
                        Log Hazard model (PLLH)
GetALLHazPiece          Computes the posterior hazard values for a
                        vector x for the Piecewise Exponential Hazard
                        model (PEH)
GetALLSurvPEH           Computes the posterior distribution of survival
                        probabilities for a vector x for the Piecewise
                        Exponential Hazard model (PEH)
GetALLSurvPLLH          Computes posterior distribution of survival
                        probabilities for a vector x for the Piecewise
                        Linear Log Hazard model (PLLH)
PostMeanHazLogSlope     Computes the posterior mean hazard value for a
                        vector x for the Piecewise Linear Log Hazard
                        model (PLLH)
PostMeanHazPiece        Computes the posterior mean hazard values for a
                        vector x for the Piecewise Exponential Hazard
                        model (PEH)
PostMeanSurvPEH         Computes the posterior mean survival
                        probabilities for a vector x for the Piecewise
                        Exponential Hazard model (PEH)
PostMeanSurvPLLH        Computes the posterior mean survival
                        probabilities for a vector x for the Piecewise
                        Linear Log Hazard model (PLLH)
