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Contextual Bandits on Synthetic Benchmarks T=10,000, R=5

26,222.5Friedman ScoreLinearUCB
-806.586,210.58513,227.7520,244.915May 11, 2026

Evaluation results

MethodLinks
LinearUCBsettings=fixed2026.0526,222.526,214.723,106.67,743.7682.126,304.479.22746
LinearTStuning=pilot run2026.0515,690.626,214.710,427.36,529.8524.85,260.766.9301.15.125
NeuralTStuning=pilot run2026.055,697.320,311.59,673.31,376.3148.2728.6520.7198.24
RFTSsettings=fixed2026.052,504.52,562.12,688.87,579.21,058.4909.6781.7106.74.875
XGBoostTSsettings=fixed2026.052,354.42,432.12,694.14,962.3780.91,738.6704.966.74.25
BFTSwarm-up=52026.05680.3777.1835.5684.4367.1559.3570.450.92.375
PFN-TSgeometric base=2, warm-up=5, context-window truncation=none2026.05233243.2306.3568.690.2136.4261.451.21.375