P. S. I just noticed that you referred to the envelopes produced as
"confidence" envelopes.
They are ***NOT*** confidence envelopes!!! They are "critical" envelopes.
This is a very different concept. Repeat after me, 50 times:
critical envelopes, critical envelopes, critical envelopes, .....
cheers,
Rolf Turner
On 02/08/2013 02:57 AM, Pavel_K wrote:
Hello,
I am writing cause I have a problem when try to create confidence envelopes
in spatstat.
I have a point data representing firms in my study area.
When I try to create confidence envelopes the error message turns up:
[> p <- envelope(point, fun=Kest, nsim=99)
Error in marks.ppp(Y, dfok = FALSE) :
Sorry, not implemented when the marks are a data frame]
Could you write me how can I solve this problem please?
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