MW {doex}

Modified Welch Test

Description

This function performs adjusted Welch test.

Usage

MW(data,group)

Arguments

data

A vector containing the observations to which the treatments are randomly assigned.

group

A numerical or character vector indicating the treatment/control groups.

Value

tstat

the test statistic of the adjusted Welch test

pvalue

the p-value of the adjusted Welch test

Author(s)

Mustafa CAVUS

References

Hartung, J., Argaç, D. and Makambi, K. (2002) Small sample properties of tests on homogeneity in one-way ANOVA and meta-analysis, Statistical Papers, 41, 197-235.

Examples

library(doex)
MW(hybrid$data,hybrid$species)