powerMediation (version 0.2.9)

powerInteract: Power for detecting interaction effect in 2-way ANOVA

Description

Power for detecting interaction effect in 2-way ANOVA.

Usage

powerInteract(nTotal, a, b, effsize, alpha = 0.05, nTests = 1)

Arguments

nTotal

number of observations in total

a

number of levels in factor 1

b

number of levels in factor 2

effsize

effect size

alpha

type I error rate

nTests

number of tests. (Family-wise type I error rate will be controlled based on Bonferroni's correction)

Value

power

Examples

# NOT RUN {
  powerInteract(nTotal=50, a=2, b=3, effsize=1.5, alpha=0.05, nTests=1)
# }