prop.trend.test
Test for trend in proportions
Performs chi-squared test for trend in proportions, i.e., a test
asymptotically optimal for local alternatives where the log odds vary
in proportion with score
. By default, score
is chosen
as the group numbers.
- Keywords
- htest
Usage
prop.trend.test(x, n, score = seq_along(x))
Arguments
- x
- Number of events
- n
- Number of trials
- score
- Group score
Value
-
An object of class
"htest"
with title, test statistic, p-value,
etc.
Note
This really should get integrated with prop.test
See Also
Examples
library(stats)
smokers <- c( 83, 90, 129, 70 )
patients <- c( 86, 93, 136, 82 )
prop.test(smokers, patients)
prop.trend.test(smokers, patients)
prop.trend.test(smokers, patients, c(0,0,0,1))
Community examples
Looks like there are no examples yet.