GKSCritical             Compute the critical value of generalized
                        Kolmogorov-Smirnov test statistics
GKSPvalue               Compute the pvalue of generalized
                        Kolmogorov-Smirnov test statistics
GKSStat                 Compute generalized Kolmogorov-Smirnov test
                        statistics
print.generalKSStat     Class methods for the generalKSStat S3 object
