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

In spatial: Functions for Kriging and Point Pattern Analysis

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, ...)

Arguments

fs	full scale for K-fn
nsim	number of simulations
...	arguments to produce one simulation

Value

list with components

x	distances
lower	min of K-fns
upper	max of K-fns
aver	average of K-fns

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")

spatial documentation built on July 26, 2023, 5:33 p.m.