Bergamaschi             Gene expression data of 82 patients with 10
                        genes as covariates
RCASPAR-package         A package for survival time prediction based on
                        a piecewise baseline hazard Cox regression
                        model.
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.
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.
simpson                 A function that calculates the area under a
                        curve based on the Simposon algorithm
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.
