| npfun {spatstat.model} | R Documentation |
Dummy Function Returns Number of Points
Description
Returns a summary function which is constant with value equal to the number of points in the point pattern.
Usage
npfun(X, ..., r)
Arguments
X |
Point pattern. |
... |
Ignored. |
r |
Vector of values of the distance argument |
Details
This function is normally not called by the user. Instead it is passed
as an argument to the function psst.
Value
Object of class "fv" representing a constant function.
Author(s)
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Ege Rubak rubak@math.aau.dk and Jesper Moller.
See Also
Examples
fit0 <- ppm(cells, ~1, nd=10)
v <- psst(fit0, npfun)
[Package spatstat.model version 3.3-1 Index]