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
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 0.9-6
Index]