Published by the Foundation for Open Access Statistics Editors-in-chief: Bettina Grün, Torsten Hothorn, Edzer Pebesma, Achim Zeileis    ISSN 1548-7660; CODEN JSSOBK
Authors: James R. Carpenter, Harvey Goldstein, Michael G. Kenward
Title: REALCOM-IMPUTE Software for Multilevel Multiple Imputation with Mixed Response Types
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 structure 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. It is freely available on-line, and may be used either as a standalone package, or in conjunction with the multilevel software MLwiN or Stata.

Page views:: 134015. Submitted: 2009-09-23. Published: 2011-12-12.
Paper: REALCOM-IMPUTE Software for Multilevel Multiple Imputation with Mixed Response Types     Download PDF (Downloads: 5780)
Supplements:
realcom-impute.msi: REALCOM-IMPUT binary (Windows installer) Download (Downloads: 1074; 4MB)
realcom-impute-matlab.zip: MATLAB source code for REALCOM-IMPUTE Download (Downloads: 1063; 145KB)
v45i05-replication.txt: Replication instructions (for binary version) Download (Downloads: 1320; 5KB)
v45i05-matlab.txt: Replication instructions (for MATLAB source code) Download (Downloads: 1307; 3KB)
class_size_data.txt: Example data (plain text format) Download (Downloads: 1150; 772KB)
class_size_data.wsz: Example data (MLwiN binary format) Download (Downloads: 850; 49KB)

DOI: 10.18637/jss.v045.i05

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Paper: Creative Commons Attribution 3.0 Unported License
Code: GNU General Public License (at least one of version 2 or version 3) or a GPL-compatible license.