powerplot {MultNonParam}

Power Plot

Description

Plots powers for the Kruskall-Wallis test, via Monte Carlo and two approximations.

Usage

powerplot(
  numgrps = 3,
  thetadagger = NULL,
  nnvec = 5:30,
  nmc = 50000,
  targetpower = 0.8,
  level = 0.05
)

Arguments

numgrps

Number of groups to compare

thetadagger

Direction of effect

nnvec

vector of numbers per group.

nmc

Number of Monte Carlo trials

targetpower

Target power for test

level

level for test.