Search Results - subject:"ROC curve"

Binary isotonic regression procedures, with application to cancer biomarkers

Ghosh, Debashis; Banerjee, Moulinath; Biswas, Pinaki - Berkeley Electronic Press - 2004

. Methods for estimating the receiver operating characteristic (ROC) curve are also described. The finite-sample properties of …

Persistent link: https://www.econbiz.de/10005178485

A Bayesian Hierarchical Approach to Multirater Correlated ROC Analysis

Johnson, Tim; Johnson, Valen - Berkeley Electronic Press - 2004

In a common ROC study design, several readers are asked to rate diagnostics of the same cases processed under different modalities. We describe a Bayesian hierarchical model that facilitates the analysis of this study design by explicitly modeling the three sources of variation inherent to it....

Persistent link: https://www.econbiz.de/10005750994

Non-Parametric Estimation of ROC Curves in the Absence of a Gold Standard

Zhou, Xiao-Hua; Castelluccio, Pete; Zhou, Chuan - Berkeley Electronic Press - 2004

-scale tests in the absence of a gold standard. Our simulation study shows the proposed estimates for the ROC curve areas have good …

Persistent link: https://www.econbiz.de/10005579377

Correcting verification bias in the assessment of the accuracy of diagnostic tests

He, Hua (1969; McDermott, Michael P.; Huang, Li-shan

. When the test result is continuous, the ROC curve is a commonly-used statistical tool for describing the performance of the … test. The area under the ROC curve (AUC) is the most widely used measure for summarizing the ability of a continuous … is common to estimate the AUC from a bias-corrected ROC curve. The variance of the estimator, however, does not have a …

Persistent link: https://www.econbiz.de/10009482975