Nonparametric models and methods for designs with dependent censored data: Part II

John T. O'Gorman, Michael G. Akritas

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We consider a fully nonparametric marginal model for the analysis of mixed models with censored data. Hypotheses in this context are formulated by decomposing the set of (marginal) distributions as introduced in Akritas and Arnold [Akritas, M. G. and Arnold, S. F. (1994). Fully nonparametric hypotheses for factorial designs I: Multivariate repeated measures designs. The Journal of the American Statistical Association, 89, 336-343]. The approach should be useful in cases where the assumptions of the proportional hazards or location shift models fail to be satisfied. The large sample distribution of the test statistics is based on a representation for Kaplan-Meier integrals. The methodology is illustrated with two real life examples using clustered data. These results generalize the results of O'Gorman and Akritas [O'Gorman, J. T. and Akritas, M. G. (2001). Nonparametric models and methods for designs with dependent censored data: Part I. Biometrics, 57, 88-95] for the case of repeated measures data.

Original languageEnglish (US)
Pages (from-to)613-622
Number of pages10
JournalJournal of Nonparametric Statistics
Volume16
Issue number3-4
DOIs
StatePublished - 2004

All Science Journal Classification (ASJC) codes

  • Statistics and Probability
  • Statistics, Probability and Uncertainty

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