ResearchBenchmarksSPD Matrix Regression on Simulated SPD Matrix BW metricFollow0.25Mean Squared Prediction Error (Mean)E2M0.246320.271160.2960.32084Sep 28, 2025Evaluation ResultsMethodMethodLinksMean Squared Prediction Error (Mean)Mean Squared Prediction Error (Std Dev)E2Mn (sample size)=2000n (sample size)=20002025.090.250.025E2Mn (sample size)=1000n (sample size)=10002025.090.2880.026E2Mn (sample size)=500n (sample size)=5002025.090.3420.029