Fisher effectiveness can cheaply filter tens of percent

ΔL = 0.0702density 0.15fisher thresh 8.047e-10ΔL = 0.0107density 0.3fisher thresh 1.283e-10ΔL = 0.000146density 0.55fisher thresh 9.148e-120.00.20.40.60.81.0Density010−310−210−1100ΔLVirtual weight magnitudeFisher