spatial (version 7.3-17)

Kenvl: Compute Envelope and Average of Simulations of K-fns

Description

Computes envelope (upper and lower limits) and average of simulations of K-fns

Usage

Kenvl(fs, nsim, ...)

Value

list with components

x

distances

lower

min of K-fns

upper

max of K-fns

aver

average of K-fns

Arguments

fs

full scale for K-fn

nsim

number of simulations

...

arguments to produce one simulation

References

Ripley, B. D. (1981) Spatial Statistics. Wiley.

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

See Also

Kfn, Kaver

Examples

towns <- ppinit("towns.dat")
par(pty="s")
plot(Kfn(towns, 40), type="b")
plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)")
for(i in 1:10) lines(Kfn(Psim(69), 10))
lims <- Kenvl(10,100,Psim(69))
lines(lims$x,lims$lower, lty=2, col="green")
lines(lims$x,lims$upper, lty=2, col="green")
lines(Kaver(10,25,Strauss(69,0.5,3.5)), col="red")