power.z.test: sample size formula for z-test (with known variance)

In floatofmath/adaperm: Permutation tests for adaptive designs

Usage

power.z.test(delta, sd, sig.level = 0.025, power = 0.8,
  type = c("two.sample", "one.sample", "paired"),
  alternative = c("one.sided", "two.sided"))

Arguments

delta	mean
sd	standard deviation
sig.level	significance level
power	desired power
type	either "two.sample", "one.sample", or "paired"
alternative	either "one.sided" or "two.sided"

Value

sample size (rounded to the next larger integer)

Author(s)

Florian Klinglmueller

Examples

power.z.test(delta=1,sd=1,power=.8)
power.t.test(delta=1,sd=1,power=.8)

floatofmath/adaperm documentation built on May 16, 2019, 1:18 p.m.