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- Jesus Orbe, Eva Ferreira, Vicente Núñez-Antón
- Statistics in medicine
- 2002

This paper describes a method proposed for a censored linear regression model that can be used in the context of survival analysis. The method has the important characteristic of allowing estimation and inference without knowing the distribution of the duration variable. Moreover, it does not need the assumption of proportional hazards. Therefore, it can be… (More)

- Inmaculada Arostegui, Vicente Núñez-Antón, José M Quintana
- Statistics in medicine
- 2007

Health-related quality of life (HRQoL) is an important indicator of health status and the Short Form-36 (SF-36) is a generic instrument to measure it. Multiple linear regression (MLR) is often used to study the relationship of HRQoL with patients' characteristics, though HRQoL outcomes tend to be not normally distributed, skewed and bounded (e.g. between 0… (More)

- Jesus Orbe, Vicente Núñez-Antón
- Computational Statistics & Data Analysis
- 2006

- Jesus Orbe, Eva Ferreira, Vicente Núñez-Antón
- Biostatistics
- 2003

In this work we study the effect of several covariates on a censored response variable with unknown probability distribution. A semiparametric model is proposed to consider situations where the functional form of the effect of one or more covariates is unknown, as is the case in the application presented in this work. We provide its estimation procedure… (More)

- Miguel A. García-Pérez, Vicente Núñez-Antón
- J. Informetrics
- 2013

- Inmaculada Arostegui, Vicente Núñez-Antón, José M Quintana
- Statistical methods in medical research
- 2012

Patient-reported outcomes (PRO) are used as primary endpoints in medical research and their statistical analysis is an important methodological issue. Theoretical assumptions of the selected methodology and interpretation of its results are issues to take into account when selecting an appropriate statistical technique to analyse data. We present eight… (More)

- Miguel A García-Pérez, Vicente Núñez-Antón
- The Spanish journal of psychology
- 2009

Statistical inference about two binomial parameters implies that they are both estimated by binomial sampling. There are occasions in which one aims at testing the equality of two binomial parameters before and after the occurrence of the first success along a sequence of Bernoulli trials. In these cases, the binomial parameter before the first success is… (More)

- Miguel A García-Pérez, Vicente A Núñez-Antón
- The British journal of mathematical and…
- 2004

Multinomial models are increasingly being used in psychology, and this use always requires estimating model parameters and testing goodness of fit with a composite null hypothesis. Goodness of fit is customarily tested with recourse to the asymptotic approximation to the distribution of the statistics. An assessment of the quality of this approximation… (More)

- Jesus Orbe, Eva Ferreira, Vicente Núñez-Antón
- ISMDA
- 2001

- Miguel A. García-Pérez, Vicente Núñez-Antón
- Communications in Statistics - Simulation and…
- 2009