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Author
Sankaran P.G. (Cochin University of Science and Technology, India), Prasad S. (Cochin University of Science and Technology, India)
Title
An Additive Risks Regression Model for Middle-Censored Lifetime Data
Source
Statistics in Transition, 2017, vol. 18, nr 3, s. 459-479, rys., tab., bibliogr. s. 477-479
Keyword
Modele regresji, Analiza przeżycia
Regression models, Survival analysis
Note
summ.
Abstract
Middle-censoring refers to data arising in situations where the exact lifetime of study subjects becomes unobservable if it happens to fall in a random censoring interval. In the present paper we propose a semiparametric additive risks regression model for analysing middle-censored lifetime data arising from an unknown population. We estimate the regression parameters and the unknown baseline survival function by two different methods. The first method uses the martingale-based theory and the second method is an iterative method. We report simulation studies to assess the finite sample behaviour of the estimators. Then, we illustrate the utility of the model with a real life data set. The paper ends with a conclusion. (original abstract)
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The Library of Warsaw School of Economics
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ISSN
1234-7655
Language
eng
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