sample_size_comp: Sample size calculation for comparisons

In radiant-rstats/radiant.design: Design Menu for Radiant: Business Analytics using R and Shiny

Sample size calculation for comparisons

Description

Sample size calculation for comparisons

Usage

sample_size_comp(
  type,
  n1 = NULL,
  n2 = NULL,
  p1 = NULL,
  p2 = NULL,
  delta = NULL,
  sd = NULL,
  conf_lev = NULL,
  power = NULL,
  ratio = 1,
  alternative = "two.sided"
)

Arguments

type	Choose "mean" or "proportion"
n1	Sample size for group 1
n2	Sample size for group 2
p1	Proportion 1 (only used when "proportion" is selected)
p2	Proportion 2 (only used when "proportion" is selected)
delta	Difference in means between two groups (only used when "mean" is selected)
sd	Standard deviation (only used when "mean" is selected)
conf_lev	Confidence level
power	Power
ratio	Sampling ratio (n1 / n2)
alternative	Two or one sided test

Details

See https://radiant-rstats.github.io/docs/design/sample_size_comp.html for an example in Radiant

Value

A list of variables defined in sample_size_comp as an object of class sample_size_comp

See Also

summary.sample_size_comp to summarize results

Examples

sample_size_comp(
  type = "proportion", p1 = 0.1, p2 = 0.15,
  conf_lev = 0.95, power = 0.8
)

radiant-rstats/radiant.design documentation built on Jan. 19, 2024, 12:34 p.m.