The Outlier Problem in Longitudinal Data | Demonstration: 5% Contamination | Clean Data: All Methods Perform Similarly | Contaminated Data: The Robust Advantage | When to Use robust = TRUE | Integration with Existing Pipelines

The Imputation Uncertainty Principle | The Robustness-Efficiency Tradeoff | Fidelity-Constraint Balance | Example: Shielding Against Corrupted EHR Data