pwr4exp (version 1.0.1)

contrast1D: Computes power of t-test for one-dimensional contrast matrices

Description

Computes power of t-test for one-dimensional contrast matrices

Usage

contrast1D(
  object,
  L,
  method = c("Satterthwaite"),
  sig.level = 0.05,
  alternative = c("two.sided", "one.sided"),
  strict = TRUE
)

Value

A data frame with columns for effect size, degrees of freedom, significance level, power, and test type.

Arguments

object

design object

L

contrast vector

method

DF approximation method, only "Satterthwaite" available currently

sig.level

significance level, default 0.05

alternative

one- or two-sided test

strict

whether or not use strict interpretation in two-sided case