Zhang Jian writes:
I did Riply's K function and envelope in the package SPATSTAT. When the
species number is less, it can work well and it is quickly. But when the
species number is more(example:2000), it told mememory limit.
If you have a query about a specific package, please ask the
hi!
I did Riply's K function and envelope in the package SPATSTAT. When the
species number is less, it can work well and it is quickly. But when the
species number is more(example:2000), it told mememory limit. So I change
memory limit. But the speed is very slow. I took 13 hours to run the
zhang jian wrote:
hi!
I did Riply's K function and envelope in the package SPATSTAT. When the
species number is less, it can work well and it is quickly. But when the
species number is more(example:2000), it told mememory limit. So I change
memory limit. But the speed is very slow. I took
I have tried the packagespatial and splance.But it is not good.
I think there are some questions when I run the programs.
I attach a part of data. can you help me try to do it? And attach a simple
program to me.
my plot is square, 500m*500m.
PIKO[1:10,]
code species dbh x y tag
So as not to offend the authors of spatial and splancs, please describe
what not good means in this context? What is it about
spatstat::envelope that cannot be achieved by spatial::Kenvl? Besides,
the author of the K-function (Ripley himself) wrote the latter package.
Here's an example:
On Mon, 27 Feb 2006, zhang jian wrote:
I have tried the packagespatial and splance.But it is not good.
You are not correct. All three packages, spatial, splancs, and spatstat
can be used, and, for the same bounding window, will give the same
results. Your complain that spatstat has difficulties