ResearchBenchmarksDrift Estimation on μ2 drift functionFollow0.0187In-sample Drift Error E1DN-0.0007480.1305260.26180.393074Feb 19, 2026Evaluation ResultsMethodMethodLinksIn-sample Drift Error E1DN2026.020.0187Ridge2026.020.0574NW2026.020.132Hermite2026.020.5049