# pairdist.ppx

From spatstat v1.52-1
by Adrian Baddeley

##### Pairwise Distances in Any Dimensions

Computes the matrix of distances between all pairs of points in a multi-dimensional point pattern.

##### Usage

```
# S3 method for ppx
pairdist(X, …)
```

##### Arguments

- X
A point pattern (object of class

`"ppx"`

).- …
Arguments passed to

`coords.ppx`

to determine which coordinates should be used.

##### Details

This is a method for the generic function `pairdist`

.

Given a multi-dimensional point pattern `X`

(an object of class `"ppx"`

),
this function computes the Euclidean distances between all pairs of
points in `X`

, and returns the matrix of distances.

By default, both spatial and temporal coordinates are extracted.
To obtain the spatial distance between points in a space-time point
pattern, set `temporal=FALSE`

.

##### Value

A square matrix whose `[i,j]`

entry is the distance
between the points numbered `i`

and `j`

.

##### See Also

##### Examples

```
# NOT RUN {
df <- data.frame(x=runif(4),y=runif(4),z=runif(4),w=runif(4))
X <- ppx(data=df)
pairdist(X)
# }
```

*Documentation reproduced from package spatstat, version 1.52-1, License: GPL (>= 2)*

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