دورية أكاديمية
Robust consistent estimators for ROC curves with covariates
| العنوان: | Robust consistent estimators for ROC curves with covariates |
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| المؤلفون: | Bianco, Ana Maria, Boente Boente, Graciela, González Manteiga, Wenceslao |
| المساهمون: | Universidade de Santiago de Compostela. Departamento de Estatística, Análise Matemática e Optimización |
| بيانات النشر: | EUCLID |
| المجموعة: | Minerva - Repositorio institucional da Universidade de Santiago de Compostela (USC) |
| مصطلحات موضوعية: | Covariates, Robustness, ROC curves, Parametric regression |
| الوصف: | The Receiver Operating Characteristic (ROC) curve is a useful tool to measure the classification capability of a continuous variable to assess the accuracy of a medical test that distinguishes between two conditions. Sometimes, covariates related to the diagnostic variable may increase the discriminating power of the ROC curve. Due to the lack of stability of classical ROC curves estimators to outliers, we introduce a procedure to obtain robust estimators in presence of covariates. The considered proposal focusses on a semiparametric approach which robustly fits a location-scale regression model to the diagnostic variable and considers robust adaptive empirical estimators of the regression residuals. The uniform consistency of the proposal is derived under mild assumptions. A Monte Carlo study is carried out to compare the performance of the robust proposed estimators with the classical ones both, in clean and contaminated samples. A real data set is also analysed. ; This research was partially supported by Grants PICT 2018-00740 from ANPCYT and 20020170100022BA from the Universidad de Buenos Aires, Argentina and also by the Spanish Projects MTM2016-76969P and PID2020-116587GB-I00 from the from the Ministry of Science and Innovation (MCIN/ AEI/FEDER, UE), Spain. ; SI |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 1935-7524 |
| العلاقة: | https://doi.org/10.1214/22-EJS2042Test; info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116587GB-I00/ES/DINAMICA COMPLEJA E INFERENCIA NO PARAMETRICA/; Bianco, A. M., Boente, G., & González–manteiga, W. (2022). Robust consistent estimators for ROC curves with covariates. Electronic Journal of Statistics, 16(2), 4133-4161.; http://hdl.handle.net/10347/33474Test |
| الإتاحة: | https://doi.org/10.1214/22-EJS2042Test http://hdl.handle.net/10347/33474Test |
| حقوق: | Attribution-NonCommercial-NoDerivatives 4.0 Internacional ; http://creativecommons.org/licenses/by-nc-nd/4.0Test/ ; open access |
| رقم الانضمام: | edsbas.4AD7DE38 |
| قاعدة البيانات: | BASE |
| تدمد: | 19357524 |
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