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Mean Estimation under MNAR on USS (test)

0.031MAESet Expansion
-0.017160.307920.6330.95808Feb 17, 2026

Evaluation results

MethodLinks
Set ExpansionPrompting Strategy=CoT2026.020.03199.4
Set ExpansionPrompting Strategy=Zero-Shot2026.020.03299.4
Set ExpansionPrompting Strategy=Few-Shot2026.020.03598.4
Set ExpansionPrompting Strategy=Fine-tuned2026.020.04599.7
Naive ImputationPrompting Strategy=Few-Shot2026.020.059—
PPIPrompting Strategy=CoT2026.020.089—
Pattern-MixturePrompting Strategy=CoT2026.020.09—
PPIPrompting Strategy=Fine-tuned2026.020.091—
PPIPrompting Strategy=Zero-Shot2026.020.092—
Pattern-MixturePrompting Strategy=Zero-Shot2026.020.093—
Pattern-MixturePrompting Strategy=Fine-tuned2026.020.093—
PPIPrompting Strategy=Few-Shot2026.020.094—
Pattern-MixturePrompting Strategy=Few-Shot2026.020.095—
LLM RawPrompting Strategy=Few-Shot2026.020.107—
CCAPrompting Strategy=Fine-tuned2026.020.109—
CCAPrompting Strategy=Zero-Shot2026.020.11—
CCAPrompting Strategy=Few-Shot2026.020.11—
CCAPrompting Strategy=CoT2026.020.11—
Aggregated LPPrompting Strategy=Zero-Shot2026.020.135—
Aggregated LPPrompting Strategy=Few-Shot2026.020.135—
Aggregated LPPrompting Strategy=CoT2026.020.135—
Naive ImputationPrompting Strategy=Zero-Shot2026.020.138—
Aggregated LPPrompting Strategy=Fine-tuned2026.020.139—
Naive ImputationPrompting Strategy=Fine-tuned2026.020.14—
Naive ImputationPrompting Strategy=CoT2026.020.15—
LLM RawPrompting Strategy=Zero-Shot2026.020.273—
LLM RawPrompting Strategy=Fine-tuned2026.020.276—
LLM RawPrompting Strategy=CoT2026.020.295—
HeckmanPrompting Strategy=Zero-Shot2026.020.952—
HeckmanPrompting Strategy=CoT2026.020.959—
HeckmanPrompting Strategy=Fine-tuned2026.020.988—
HeckmanPrompting Strategy=Few-Shot2026.021.235—