Ontology highlight
ABSTRACT:
SUBMITTER: Ghosh L
PROVIDER: S-EPMC4651204 | biostudies-literature | 2015 Feb
REPOSITORIES: biostudies-literature
Ghosh Lipika L Jiang Jiancheng J Sun Yanqing Y Zhou Haibo H
Journal of statistical distributions and applications 20150220
In this paper we use Cox's regression model to fit failure time data with continuous informative auxiliary variables in the presence of a validation subsample. We first estimate the induced relative risk function by kernel smoothing based on the validation subsample, and then improve the estimation by utilizing the information on the incomplete observations from non-validation subsample and the auxiliary observations from the primary sample. Asymptotic normality of the proposed estimator is deri ...[more]