r.crit: Compute critical r or p.

In fifer: A Biostatisticians Toolbox for Various Activities, Including Plotting, Data Cleanup, and Data Analysis

Description

Compute the critical r value, or return the p value of an r, assuming a given number of degrees of freedom.

Usage

r.crit(n, r = NULL, p = 0.025, two.tailed = T)

Arguments

n	The sample size.
r	The observed r value
p	the probability. Defaults to .025.
two.tailed	Should the probability be cut in half?

Value

the critical r value or the observed p value for a given r

Author(s)

Dustin Fife

Examples

r.crit(n=100, p=.025)
r.crit(n=20, r=.6, p=.05)

fifer documentation built on May 30, 2017, 7:40 a.m.