mood.test {ctest}R Documentation

Mood Two-Sample Test of Scale

Description

Performs Mood's two-sample test of scale.

Usage

mood.test(x, y, alternative = "two.sided")

Arguments

x, y numeric vectors of data values.
alternative indicates the alternative hypothesis and must be one of "two.sided", "greater" or "less". You can specify just the initial letter.

Details

The underlying model is that the two samples are drawn from f(x-l) and f((x-l)/s)/s, respectively, where l is a common location parameter and s is a scale parameter.

The null hypothesis is s = 1.

There are more useful tests for this problem.

Value

A list with class "htest" containing the following components:
statistic the value of the test statistic.
p.value the p-value of the test.
alternative a character string describing the alternative hypothesis.
method the string "Mood two-sample test of scale".
data.name a character string giving the names of the data.


[Package Contents]