ttest_calc: T Test Calculator

In mfabla/cats: My sandbox package of misc stuff

Description

This funtion is a T Test Calculator. Original script found at: https://stats.stackexchange.com/questions/30394/how-to-perform-two-sample-t-tests-in-r-by-inputting-sample-statistics-rather-tha

Usage

ttest_calc(mean1, std1, n1, mean2, std2, n2, m0 = 0, equal.variance = FALSE)

Arguments

mean1	mean for sample 1
std1	std for sample 1
n1	size of sample 1
mean2	mean for sample 2
std2	std for sample 2
n2	size of sample 2
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.
df	enter desired dataframe
vars	variables for

Value

T=test outputs: 'Difference of means', 'Std Error', 't value', and 'p-value'.

Note

Non equal variance is default. To change to equal variance assume, enter equal.varance = TRUE.

Examples

ttest_calc(21,2,100, 25, 5, 100)

mfabla/cats documentation built on May 16, 2019, 9:15 p.m.