t_test2: t-test from means and sds

In DominikVogel/vogelR: My personal package with all my selfmade functions

Description

Function to perform a two independent sample t-test based on sample size, means, and standard deviations

Usage

t_test2(m1, m2, s1, s2, n1, n2, m0 = 0, equal.variance = FALSE)

Arguments

m1	Sample mean group 1
m2	Sample mean group 2
s1	Sample S.D. group 1
s2	Sample S.D. group 2
n1	Sample size group 1
n2	Sample size group 1
m0	the null value for the difference in means to be tested for. Default is 0.
equal.variance	Whether or not to assume equal variance. Default is FALSE.

Value

returns vector with difference of means, standard error, t-value, p-value

Note

Copied from https://stats.stackexchange.com/questions/30394/how-to-perform-two-sample-t-tests-in-r-by-inputting-sample-statistics-rather-tha

Author(s)

Dominik Vogel

References

https://stats.stackexchange.com/questions/30394/how-to-perform-two-sample-t-tests-in-r-by-inputting-sample-statistics-rather-tha

Examples

t <- t_test2(3.5, 4, 0.7, 0.8, 100, 200)

DominikVogel/vogelR documentation built on May 23, 2019, 4:12 p.m.