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Add final MNAR imputation project. - #2576

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elisawege wants to merge 1 commit into
apache:mainfrom
elisawege:final-mnar-prototype
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Add final MNAR imputation project.#2576
elisawege wants to merge 1 commit into
apache:mainfrom
elisawege:final-mnar-prototype

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This pull request adds the final artifacts for the MNAR imputation project.

The project includes:

  • final Python prototype
  • final DML/Systemds prototype
  • missingness generators
  • tests
  • documentation
  • experiment scripts and selected result artifacts

Core Idea:
A rebalanced MICE-like imputation approach for MNAR data, using target-region weighting and similarity-based weighting.

How to run:
cd mnar_project

Diabetes Dataset
python3 src/run_all_experiments.py --input-path data/processed/diabetes_sample.csv

AQ dataset:
python3 src/run_all_experiments.py --input-path data/processed/AQ_clean.csv

Main result:
Compared with standard MICE, the rebalanced approach substantially reduces MNAR-related bias. The final prototype was translated into DML/SystemDS.

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