The factoring likelihood method for non-monotone missing data

Jae Kwang Kim, Dong Wan Shin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We address the problem of parameter estimation in multivariate distributions under ignorable non-monotone missing data. The factoring likelihood method for monotone missing data, termed by Rubin (1974), is applied to a more general case of non-monotone missing data. The proposed method is asymptotically equivalent to the Fisher scoring method from the observed likelihood, but avoids the burden of computing the first and second partial derivatives of the observed likelihood. Instead, the maximum likelihood estimates and their information matrices for each partition of the data set are computed separately and combined naturally using the generalized least squares method. A numerical example is presented to illustrate the method.

Original languageEnglish
Pages (from-to)375-386
Number of pages12
JournalJournal of the Korean Statistical Society
Volume41
Issue number3
DOIs
StatePublished - Sep 2012

Bibliographical note

Funding Information:
The authors are grateful for helpful comments of two referees. The research was supported by National Research Foundation of Korea ( NRF-2009-0084772 , NRF-2009-0070618 ).

Keywords

  • EM algorithm
  • Gauss-Newton method
  • Generalized least squares
  • Maximum likelihood estimator
  • Missing at random

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