Bergamaschi             Gene expression data of 82 patients with 10
                        genes as covariates
deriv_weight_estimator_BLH
                        A function that gives the derivative of the
                        objective function of the model for
                        gradient-based optimization algorithms.
deriv_weight_estimator_BLH_noprior
                        A function that gives the derivative of the
                        objective function of the model for
                        gradient-based optimization algorithms without
                        including the prior on the regression
                        coefficients.
kmplt                   Plot Kaplan Meier curve
kmplt_svrl              A function that plots the KM curves of $2-3$
                        patient sets in one graph.
logrnk                  Performs Log Rank test on the long and short
                        patient sets
pltgamma                Plotting the gamma distribution of shape
                        parameter
pltprior                A function to visualize the shape of the prior
                        on the weights with the chosen q and s
                        parameters.
RCASPAR-package         A package for survival time prediction based on
                        a piecewise baseline hazard Cox regression
                        model.
simpson                 A function that calculates the area under a
                        curve based on the Simposon algorithm
STpredictor_BLH         Predicts the survival times of the validation
                        set based on the regression coefficients and
                        baseline hazards determined according to the
                        Piecewise baseline hazard Cox regression model.
STpredictor_xvBLH       This function performs a cross validation on
                        the full data set to help predict the survival
                        times of the patients using the piecewise
                        baseline hazard PH Cox model.
survData                Survial data of 82 patients
survivAURC              A function that calculates the area under a
                        curve constructed from plotting the area under
                        a ROC curve at the corresponding time point at
                        which it was generated.
survivROC               Generates the ROC curve at a given time point
                        given the observed and predicted survival data
                        in the presence of censored subjects.
trapezoid               A function that calculates the area under a
                        curve based on the Simposon algorithm
weight_estimator_BLH    Returns the value of the objective function
                        used for optimizing for the regression
                        parameters and baseline hazards in the model.
weight_estimator_BLH_noprior
                        Returns the value of the objective function
                        used for optimizing for the regression
                        parameters and baseline hazards in the model,
                        without including the prior on the regression
                        coefficients.
weights_BLH             Optimization for the regression coefficients
                        and baseline hazards that maximize the partial
                        likelihood in our PW Cox PH regression model.
weights_xvBLH           A special version of STpredictor.BLH used
                        within k-xv to predict the survival times of
                        the kth validation group in the cross
                        validation step.
