woolf_test {vcd}R Documentation

Woolf Test

Description

Test for homogeneity on 2 x 2 x k tables over strata (i.e., whether the log odds ratios are the same in all strata).

Usage

woolf_test(x)

Arguments

x A 2 x 2 x k table.

Value

A list of class "htest" containing the following components:

statistic the chi-squared test statistic.
parameter degrees of freedom of the approximate chi-squared distribution of the test statistic.
p.value p-value for the test.
method a character string indicating the type of test performed.
data.name a character string giving the name(s) of the data.
observed the observed counts.
expected the expected counts under the null hypothesis.

See Also

mantelhaen.test

Examples

data(CoalMiners)
woolf_test(CoalMiners)

[Package vcd version 0.9-7 Index]