Hi. I am using the ripley multivariate function Lcross to caracterise the
spatial interactions of two factors using monte carlo simulation.

 

envelope(B1, Lcross, nsim=100, rank=1, global=TRUE)->E1

 

My problem is that My confidence Interval (CI) is not parallel to the X axis
when I plot the result like this :

 

plot(E1, ylim=c(-589, 2947), xlim=c(0, 503), main = "Lsc_ss(r): Zone Makan",
xlab =  "Distance r(m) ", ylab = " Lsc_ss(r) ",  font.main=3, font.axis=1.2,
font.lab=1.2, col=c(1,1,1,1), lty=c(1,3,2,2), lwd=2, cex.lab=1.2,
cex.axis=1.2).

 

Can someone help me.

thanks

 

 

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