Table 3 Parameter settings about means and covariance matrices.

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

Covariance matrix

Scenarios

Mean vectors

Uniform correlation with ρ = 0.8

(S1)

(S2)

,

(S3)

,

(S4)

,

Uniform correlation with ρ = 0.2

(S5)

(S6)

,

(S7)

,

(S8)

,

Decreasing correlation with ρ = 0.8

(S9)

(S10)

,

(S11)

,

(S12)

,

Decreasing correlation with ρ = 0.2

(S13)

(S14)

,

(S15)

,

(S16)

,