Estimation of bivariate and marginal distributions with censored data

Michael G. Akritas and Ingrid Van Keilegom ()

Journal of the Royal Statistical Society Series B, 2003, vol. 65, issue 2, 457-471

Abstract: Summary. Consider a pair of random variables, both subject to random right censoring. New estimators for the bivariate and marginal distributions of these variables are proposed. The estimators of the marginal distributions are not the marginals of the corresponding estimator of the bivariate distribution. Both estimators require estimation of the conditional distribution when the conditioning variable is subject to censoring. Such a method of estimation is proposed. The weak convergence of the estimators proposed is obtained. A small simulation study suggests that the estimators of the marginal and bivariate distributions perform well relatively to respectively the Kaplan–Meier estimator for the marginal distribution and the estimators of Pruitt and van der Laan for the bivariate distribution. The use of the estimators in practice is illustrated by the analysis of a data set.

Date: 2003
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Citations: View citations in EconPapers (8)

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