ResearchBenchmarksAverage Potential Outcome (APO) Estimation on Amazon Reviews (test)Average Potential Outcome (APO) Estimation on Amazon Reviews (test)Follow16.7Relative MAEOI13.88432.89251.970.908May 26, 2026Evaluation resultsMethodMethodLinksRelative MAEAPO CorrelationOIK=N/A, Test-time X=trueK=N/A, Test-time X=true2026.0516.70.83SW-CRMK=2, Test-time X=falseK=2, Test-time X=false2026.05220.874OI-CRMK=N/A, Test-time X=falseK=N/A, Test-time X=false2026.0522.60.812SW-CRMK=1, Test-time X=falseK=1, Test-time X=false2026.0527.90.824IPW-CRMK=1, Test-time X=falseK=1, Test-time X=false2026.0587.10.19