In a cardiac prediction model simulation, k-nearest neighbors imputation provided the most stable and computationally efficient performance across complex missingness scenarios, outperforming multiple imputation at high missingness.
Riley RD, van der Windt D, Croft P, Moons KGM, editors: Oxford University Press; 2019 01 Feb 2019
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Comparing Imputation Methods for Clinical Prediction Model Development under Complex Missingness Scenarios: A Simulation Study Using Real-World Cardiac Data
In a cardiac prediction model simulation, k-nearest neighbors imputation provided the most stable and computationally efficient performance across complex missingness scenarios, outperforming multiple imputation at high missingness.