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False Discovery Proportion control for aggregated Knockoffs

NeurIPS 2023 · Probabilistic and scientific modeling › Molecules and proteins · approach: Statistical analysis of ML practice · 3 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use KOPI with calibrated FDP bounds and harmonic-mean aggregation instead of Vanilla KnockoffsKnockoff variable selection · Simulated data across varied settingsFDP controlHelped
Use KOPI rather than existing FDR-controlling aggregation methodsKnockoff variable selection · Simulated datapowerHelped
Use KOPI rather than Closed TestingKnockoff variable selection · Simulated datapowerHelped
Use KOPI rather than Vanilla KnockoffsConditional region selection · HCP motor footselected regions: 17 regions -> 24 regionsHelped
Use KOPI rather than Vanilla KnockoffsConditional region selection · HCP emotionalselected regions: 22 regions -> 37 regionsHelped
Use KOPI rather than Vanilla KnockoffsConditional region selection · HCP relationalselected regions: 58 regions -> 24 regionsMixed
Use KOPI rather than Vanilla KnockoffsKnockoff gene selection · Lymphomatic leukemia mutationgenes selected in >90% of runs: 0 -> 4Helped
Use KOPI rather than Vanilla KnockoffsKnockoff gene selection · Lymphomatic leukemia mutationspurious detections (<50% of runs): 18 -> 2Helped
Use harmonic mean instead of arithmetic mean aggregation (ablation)KOPI · Simulated data, rho = 0.5, 0.6, 0.7power: 0.77 -> 0.91; 0.58 -> 0.83; 0.39 -> 0.72Helped
Use harmonic mean instead of geometric mean aggregation (ablation)KOPI · Simulated data, rho = 0.5, 0.6, 0.7power: 0.87 -> 0.91; 0.77 -> 0.83; 0.61 -> 0.72Helped
Use harmonic mean instead of quantile aggregation (ablation)KOPI · Simulated data, rho = 0.5, 0.6, 0.7power: 0.90 vs 0.91; 0.83 vs 0.83; 0.72 vs 0.72No clear effect
Replace harmonic mean aggregation with arithmetic, geometric, or quantile aggregation (ablation)KOPI · Simulated data, rho = 0.5, 0.6, 0.7FDP bound non-coverage: Harmonic: 10 %, 2 %, 2 %; Arithmetic: 0 %, 0 %, 0 %; Geometric: 2 %, 0 %, 0 %; Quantile: 10 %, 4 %, 0 %No clear effect

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