Carpenter, James R.; Goldstein, Harvey; Kenward, Michael G. - In: Journal of Statistical Software 45 (2011) i05
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 …