prop.trend.test
Test for trend in proportions
Performs chisquared 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, pvalue,
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
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