# reach.kppm

0th

Percentile

##### Range of Interaction for a Cox or Cluster Point Process Model

Returns the range of interaction for a Cox or cluster point process model.

Keywords
models, spatial
##### Usage
# S3 method for kppm
reach(x, …, epsilon)
##### Arguments
x

Fitted point process model of class "kppm".

epsilon

Optional numerical value. Differences smaller than epsilon are treated as zero.

Additional arguments passed to the range function of the given model.

##### Details

The range of interaction for a fitted point process model of class "kppm" may defined as the smallest number $$R$$ such that $$g(r)=1$$ for all $$r\ge R$$, where $$g$$ is the pair correlation function.

For many models the range is infinite, but one may instead use a value where the pair correlation function is sufficiently close to 1. The argument epsilon specifies the tolerance; there is a sensible default.

Numeric

• reach.kppm
##### Examples
# NOT RUN {
fit <- kppm(redwood ~ 1)
reach(fit)
# }

Documentation reproduced from package spatstat, version 1.63-0, License: GPL (>= 2)

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