order          Order-Restricted ROC | norm_silver, norm_ucv, bi_silver, bi_ucv       Kernel Density–Based Smooth ROC | binormal       Binormal ROC Curve | biweibull       Constant-shape bi-Weibull ROC Curve | bigamma       Bi-Gamma ROC Curve | lehmann       Semiparametric ROC Curve under the Lehmann Model | bayesbiweibull       Bayesian Bi-Weibull ROC Curve | dpm       Bayesian Semiparametric ROC (Dirichlet Process Mixture of Normals) | BB       Bayesian Bootstrap ROC Curve