elisawege opened a new pull request, #2576:
URL: https://github.com/apache/systemds/pull/2576
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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