# tables
tukeybiweight_bp = {
    # breakdown point : (tuning parameter, efficiency, scale bias)
    0.50: (1.547645, 0.286826, 0.199600),
    0.45: (1.756059, 0.369761, 0.231281),
    0.40: (1.987965, 0.461886, 0.263467),
    0.35: (2.251831, 0.560447, 0.295793),
    0.30: (2.560843, 0.661350, 0.327896),
    0.25: (2.937015, 0.759040, 0.359419),
    0.20: (3.420681, 0.846734, 0.390035),
    0.15: (4.096255, 0.917435, 0.419483),
    0.10: (5.182361, 0.966162, 0.447614),
    0.05: (7.545252, 0.992424, 0.474424),
}

tukeybiweight_eff = {
    # efficiency : (tuning parameter, breakdown point)
    0.65: (2.523102, 0.305646),
    0.70: (2.697221, 0.280593),
    0.75: (2.897166, 0.254790),
    0.80: (3.136909, 0.227597),
    0.85: (3.443690, 0.197957),
    0.90: (3.882662, 0.163779),
    0.95: (4.685065, 0.119414),
    0.97: (5.596823, 0.087088),
    0.98: (5.920719, 0.078604),
    0.99: (7.041392, 0.056969),
}
