REALCOM-IMPUTE Software for Multilevel Multiple Imputation with Mixed Response Types

Carpenter, JR; Goldstein, H; Kenward, MG; (2011) REALCOM-IMPUTE Software for Multilevel Multiple Imputation with Mixed Response Types. Journal of Statistical Software, 45 (5). pp. 1-14. ISSN 1548-7660

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Abstract

Multiple imputation is becoming increasingly established as the leading practical approach to modelling partially observed data, under the assumption that the data are missing at random. However, many medical and social datasets are multilevel, and this structures should be reflected not only in the model of interest, but also in the imputation model. In particular, the imputation model should reflect the differences between level 1 variables and level 2 variables (which are constant across level 1 units). This led us to develop the REALCOM-IMPUTE software, which we describe in this article. This software performs multilevel multiple imputation, and handles ordinal and unordered categorical data appropriately . Is is freely available on-line, and many be used either as a standalone package, or in conjuction with the multilevel software MLwiN or Stata.

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Medical Statistics
Research Centre: Centre for Statistical Methodology
Web of Science ID: 298032700001
URI: http://researchonline.lshtm.ac.uk/id/eprint/30704

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