Comparison of imputation methods for missing laboratory data in medicine
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...Comparisons of RF imputation to other procedures have been considered by [21,26], and there have been studies looking at effectiveness of RF imputation when combined with other methods (for instance Shah et al....
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...MissForest has been shown [26] to outperform well-known methods such as k-nearest neighbors (KNN) [22] and parametric MICE [25] (multivariate imputation using chained equation)....
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...We implemented this in R using the package ‘mice’.(12)...
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...In order to accommodate both continuous and categorical variables, the Gower distance is used.(10) For the categorical variables, we imputed the missing values by weighted mode instead of a weighted mean as used for continuous variables....
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