power.cor1: Approximates the power of a correlation test for a planned...

In statpsych: Statistical Methods for Psychologists

Approximates the power of a correlation test for a planned sample size

Description

Computes the approximate power of a Pearson or partial correlation test for a planned sample size. Set s = 0 for a Pearson correlation.

Usage

power.cor1(alpha, n, cor, h, s)

Arguments

alpha	alpha level for hypothesis test
n	planned sample size
cor	planning value of correlation
h	hypothesized value of correlation
s	number of control variables

Value

Returns the approximate power of the test

Examples

power.cor1(.05, 80, .3, 0, 0)

# Should return:
#          Power
# [1,] 0.7751932

statpsych documentation built on July 9, 2023, 6:50 p.m.