Table 2 Empirical type-1 error rates and powers of HT, oPC (k0.8), SSU, SKAT, mCPC (k0.8) and tCPC for decreasing correlations.

From: Power Calculation of Multi-step Combined Principal Components with Applications to Genetic Association Studies

40.5 cmType

ρ

β 1

p

q

HT

oPC (0.8)

SSU

SKAT

mCPC (k0.8)

tCPC

40.1 cm I 40.5 cm error

0.20

0

0.20

0.20

0.062

0.048

0.054

0.052

0.052

0.040

0.50

0

0.20

0.20

0.036

0.032

0.040

0.044

0.038

0.042

0.80

0

0.20

0.20

0.052

0.038

0.042

0.044

0.056

0.046

0.95

0

0.20

0.20

0.036

0.046

0.052

0.054

0.042

0.048

0.20

ln 1.6

0.05

0.30

0.470

0.060

0.110

0.470

0.650

0.386

0.20

ln 1.4

0.20

0.20

0.746

0.756

0.766

0.738

0.700

0.688

0.20

ln 1.4

0.30

0.05

0.886

0.926

0.998

0.890

0.864

0.998

0.50

ln 1.6

0.05

0.30

0.490

0.074

0.126

0.466

0.568

0.390

40.8 cm Power

0.50

ln 1.4

0.20

0.20

0.722

0.784

0.742

0.706

0.686

0.662

0.50

ln 1.4

0.30

0.05

0.882

0.914

0.996

0.862

0.856

0.996

0.80

ln 1.6

0.05

0.30

0.482

0.120

0.148

0.350

0.478

0.400

0.80

ln 1.4

0.20

0.20

0.770

0.846

0.772

0.762

0.788

0.836

0.80

ln 1.4

0.30

0.05

0.888

0.946

0.994

0.852

0.912

0.988

0.95

ln 1.6

0.05

0.30

0.480

0.192

0.266

0.358

0.464

0.510

0.95

ln 1.4

0.20

0.20

0.746

0.898

0.858

0.858

0.860

0.864

0.95

ln 1.4

0.30

0.05

0.866

0.972

0.982

0.732

0.962

0.936