Plot power curve

Creates a plot showing how power changes with sample size.

Usage

plot_power_curve(
  delta,
  sd,
  alpha = 0.05,
  alternative = c("two.sided", "less", "greater"),
  n_range = 10:100
)

Arguments

delta

Effect size

sd

Standard deviation

alpha

Significance level (default 0.05)

alternative

Alternative hypothesis

n_range

Range of sample sizes to plot (default 10 to 100)

Value

Invisible data frame with n and power values