kdplus.test: Global test of clustering using difference in K functions
Description
kdplus.test performs a global test of clustering
for comparing cases and controls using the method of
Diggle and Chetwynd (1991). It relies on the difference
in estimated K functions.
Usage
kdplus.test(x)
Value
A list providing the observed test statistic
(kdplus) and the estimate p-value
pvalue.
Arguments
x
A kdenv object from the kdest
function.
Author
Joshua French
References
Waller, L.A. and Gotway, C.A. (2005).
Applied Spatial Statistics for Public Health Data.
Hoboken, NJ: Wiley.
Diggle, Peter J., and Amanda G.
Chetwynd. "Second-order analysis of spatial clustering
for inhomogeneous populations." Biometrics (1991):
1155-1163.