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Articles, 2 records found
Articles 2 records found  
1.
20 p, 289.0 KB Comparison of two discrimination indexes in the categorisation of continuous predictors in time-to-event studies / Barrio Beraza, Irantzu (Universidad del País Vasco. Departamento de Matemática Aplicada, Estadística e Investigación Operativa) ; Rodríguez-Álvarez, María Xosé (Universidade de Vigo. Departamento de Estadística e Investigación Operativa) ; Meira-Machado, Luis (Universidade do Minho (Braga, Portugal). Centre of Mathematics and Department of Mathematics and Applications) ; Esteban, Cristóbal (Hospital Galdakao-Usansolo. Servicio de Neumología) ; Arostegui Madariaga, Inmaculada (Universidad del País Vasco. Departamento de Matemática Aplicada, Estadística e Investigación Operativa)
The Cox proportional hazards model is the most widely used survival prediction model for analysing time-to-event data. To measure the discrimination ability of a survival model the concordance probability index is widely used. [...]
2017 - 10.2436/20.8080.02.51
SORT : statistics and operations research transactions, Vol. 41 Núm. 1 (January-June 2017) , p. 73-92 (Articles)  
2.
24 p, 409.1 KB Smoothed landmark estimators of the transition probabilities / Meira-Machado, Luís (University of Minho (Guimaraes, Portugal). Centre of Mathematics and Department of Mathematics and Applications)
One important goal in clinical applications of multi-state models is the estimation of transition probabilities. Recently, landmark estimators were proposed to estimate these quantities, and their superiority with respect to the competing estimators has been proved in situations in which the Markov condition is violated. [...]
2016
SORT : statistics and operations research transactions, Vol. 40 Núm. 2 (July-December 2016) , p. 375-398 (Articles)  

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2 Meira-Machado, Luis
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