Nothing
`Kmm` <-
function (mippp, r = 1:10, nsim=NULL)
{
dataname <- deparse(substitute(mippp))
mippp1 = setmarks(mippp, 1)
lambda = mippp$n/area.owin(mippp$window)
mu = mean(mippp$marks)
Kmm = NULL
Kmm1 = NULL
Kmmsim <- NULL
if(!is.null(nsim)){
pepesim <- list(mippp)
pepesim <- rep(pepesim, nsim)
pepesim <- lapply(pepesim, function(x) x = x %mark% sample(x$marks))
# class(pepesim) <- c(class(pepesim), "splitppp")
m0sim <- sapply(pepesim, markstat, sum, R=0)
}
m0 = markstat(mippp, sum, R = 0)
m01 = markstat(mippp1, sum, R = 0)
cat("computing Kmm for distance class ")
for (i in 1:length(r)) {
progressreport(i, length(r))
mr <- markstat(mippp, sum, R = r[i])
mr1 <- markstat(mippp1, sum, R = r[i])
sumatorio <- (mr - m0) * m0
sumatorio1 <- (mr1 - m01) * m01
E0 <- mean(sumatorio)
E01 <- mean(sumatorio1)
Kmm = c(Kmm, E0/(lambda * mu^2))
Kmm1 = c(Kmm1, E01/(lambda))
if(!is.null(nsim)){
mrsim <- sapply(pepesim,markstat,sum, R=r[i])
sumatoriosim <- (mrsim - m0sim) * m0sim
E0sim <- apply(sumatoriosim,2, mean)
Kmmsim <- rbind(Kmmsim,E0sim/(lambda*mu^2))
}
}
if(!is.null(nsim)) Kmmsim.n <- apply(Kmmsim,2, function(x) x/Kmm1) else Kmmsim.n <-NULL
result=list(dataname=dataname, r = r, nsim=nsim, kmm = Kmm,
kmm.n = Kmm/Kmm1, kmmsim=Kmmsim,
kmmsim.n=Kmmsim.n)
class(result) =c("ecespa.kmm",class(result))
return(result)
}
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