# reach.kppm

From spatstat v1.63-0
by Adrian Baddeley

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

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

##### 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.

##### Value

Numeric

##### 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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