ImputeEHR

Explore the most effective imputation strategies for EHR data

The example dataset is TJH dataset, preprocessed following pyehr scripts.

Imputation Methods

Rule-based

• LOCFImpute (last-observation-carried-forward)
• ZeroImpute
• MeanImpute
• MedianImpute
• ModeImpute
• SimpleImpute (GRU-D Simple, concatenating the measurement with masking and time interval)

ML-based

• InterpolationImpute
• SmoothingImpute
• SplineImpute
• KNNImpute
• MICEImpute (multiple imputation by chained equations)
• RFImpute (Random Forest, e.g. MissForest)
• MFImpute (matrix factorization)
• PCAImpute
• SoftImpute

DL-based

• MLPImpute
• RNNImpute
• AEImpute (AutoEncoder)
• GANImpute