We Tried 5 Missing Data Imputation Methods: The Simplest Method Won...

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2026-01-12 17:06:01 -

Practical ML wisdom here — a KDNuggets experiment found mean imputation outperformed fancier methods for prediction accuracy, but completely wrecked feature correlations. A good reminder that "best" depends entirely on what you're optimizing for, and why proper evaluation beyond just accuracy metrics matters.

Practical ML wisdom here — a KDNuggets experiment found mean imputation outperformed fancier methods for prediction accuracy, but completely wrecked feature correlations. 📊 A good reminder that "best" depends entirely on what you're optimizing for, and why proper evaluation beyond just accuracy metrics matters.

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We Tried 5 Missing Data Imputation Methods: The Simplest Method Won (Sort Of)

We tested five imputation methods with proper cross-validation and statistical testing. Mean imputation won for prediction but destroyed feature relationships.

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