search for: imputatation

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2006 Sep 25
Multiple imputation using mice with "mean" - MLE in the mix package - all available methods for numerical data in the MICE package (ie. pmm, sample, mean and norm) I found that the least classification error results using mice with the "mean" option for numerical data. However, I am not sure how the "mean" multiple imputatation differs from the simple mean substitution. I tried to read some of the documentation supporting the R package, but couldn't find much theory about the "mean" imputation method. Are there any good papers to explain the background behind each imputation option in MICE? I would reall...