On the Comparison of Accuracy Measurement Based On the Multiple AUROC

• Main Authors: Cheng-Li Lin, 林橙莉
• Other Authors: Mi-Chia Ma
• Format: Others
• Language: en_US
• Published: 2004
• Online Access: http://ndltd.ncl.edu.tw/handle/99930207777089655178

碩士 === 國立成功大學 === 統計學系碩博士班 === 92 === 　　An important statistical tool for describing diagnostic accuracy is the receiver operating characteristic (ROC) curve. There is an increasing use of ROC curve for assessing the effectiveness of continuous diagnostic markers in diagnosis of patient. However, scarce literature exists for evaluation of ROC curve based on multiple continuous markers. 　　Two methods for estimation of the area under ROC curves based on multiple markers are proposed. These two methods are based on arithmetic and geometric mean of areas under ROC of individual markers. A numerical example using the data from a microarray experiment illustrates the applications of the proposed methods. Finally, a simulation was conducted to evaluate the performance of the proposed methods.