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Title: Semiparametric varying-coefficient model for interval censored data with a cured proportion
Authors: Shao, F.
Li, J. 
Ma, S.
Lee, M.-L.T.
Keywords: Cure rate model
Interval censoring
Semiparametric smoothing
Survival analysis
Varying-coefficient model
Issue Date: 10-May-2014
Citation: Shao, F., Li, J., Ma, S., Lee, M.-L.T. (2014-05-10). Semiparametric varying-coefficient model for interval censored data with a cured proportion. Statistics in Medicine 33 (10) : 1700-1712. ScholarBank@NUS Repository.
Abstract: Varying-coefficient models have claimed an increasing portion of statistical research and are now applied to censored data analysis in medical studies. We incorporate such flexible semiparametric regression tools for interval censored data with a cured proportion. We adopted a two-part model to describe the overall survival experience for such complicated data. To fit the unknown functional components in the model, we take the local polynomial approach with bandwidth chosen by cross-validation. We establish consistency and asymptotic distribution of the estimation and propose to use bootstrap for inference. We constructed a BIC-type model selection method to recommend an appropriate specification of parametric and nonparametric components in the model. We conducted extensive simulations to assess the performance of our methods. An application on a decompression sickness data illustrates our methods. © 2013 John Wiley & Sons, Ltd.
Source Title: Statistics in Medicine
ISSN: 10970258
DOI: 10.1002/sim.6054
Appears in Collections:Staff Publications

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