woolf.test {vcd} | R Documentation |
Woolf test
Description
Test for homogeneity on 2 x 2 x k - tables over strata (i.e., if the log
odds ratios are the same in all strata).
Usage
woolf.test(x)
Arguments
Value
A list with class `"htest"' containing the following components:
statistic |
the value the chi-squared test statistic. |
parameter |
the degrees of freedom of the approximate chi-squared
distribution of the test statistic. |
p.value |
the 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 0.1-3.5
Index]