A Characterization of Power Method Transformations through L-Moments

Figure 1

Standard normal-based power method pdf and cdf. The coefficients used in (1.3) and (1.4) are 𝑐₁=−0.252299, 𝑐₂=0.418610, 𝑐₃=0.252299, and 𝑐₄=0.147593 and are associated with the parameters in Tables 1 and 2.

(a)

(b)