logrr.test {smacpod} | R Documentation |
Global test of clustering using log ratio of spatial densities
Description
logrr.test
performs a global test of clustering
for comparing cases and controls using the log ratio of
spatial densities based on the method of Kelsall and
Diggle (1995).
Usage
logrr.test(x)
Arguments
x |
An |
Value
A list providing the observed test statistic
(islogrr
) and the estimated p-value
(pvalue
).
Author(s)
Joshua French
References
Waller, L.A. and Gotway, C.A. (2005). Applied Spatial Statistics for Public Health Data. Hoboken, NJ: Wiley.
Kelsall, Julia E., and Peter J. Diggle. "Non-parametric estimation of spatial variation in relative risk." Statistics in Medicine 14.21-22 (1995): 2335-2342.
Examples
data(grave)
## Not run:
logrrenv = logrr(grave, nsim = 9)
logrr.test(logrrenv)
## End(Not run)
[Package smacpod version 2.6 Index]