SSI {spatial} | R Documentation |
Simulates SSI (sequential spatial inhibition) point process.
SSI(n, r)
n |
number of points |
r |
inhibition distance |
uses the region set by ppinit
or ppregion
.
list of vectors of x
and y
coordinates
Uses the random number generator.
will never return if r
is too large and it cannot place n
points
towns <- ppinit("towns.dat") par(pty="s") plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)") lines(Kaver(10, 25, SSI(69,1.2)))