Hello!

I am writing you because I need to plot the confidence envelopes for

functions Jest, Jcross, Jdot, Jmulti, and L, using the Spatstat package.

I have already understood how to do that for Kest or Jest, that is:

JEnv <- plot(envelope(PPPData, Jest))

Where PPPData is my ppp object.

However, for Jcross I must specify the two marks I want to analyse.

That is, usually I would get the Jcross doing:

Jc <- Jcross(PPPData,"Aun","Qsu")

For marks "Aun" and "Qsu".

And for L function, I know I do:

K <- Kest (PPPData, correction="isotropic")

plot (K, r-sqrt(iso/pi)~r)

But I could not understand how to put all that together, that is how

should I write the envelope function:

- to plot Jcross (where and how do I specify types/marks ??)

- to plot L (where do I write that I do not want K, but

r-sqrt(iso/pi)~r, instead??)

- etc. for similar functions not so simple as Jest, Kest or Gest.

Hope someone can please help me on this.

I have already looked at the package's manual, but I could not find

any example similar to what I am trying to do.

Best Regards,

Sara Mouro.

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