# pairdist

##### Pairwise distances

Computes the matrix of distances between all pairs of `things' in a dataset

##### Usage

`pairdist(X, …)`

##### Arguments

- X
Object specifying the locations of a set of `things' (such as a set of points or a set of line segments).

- …
Further arguments depending on the method.

##### Details

Given a dataset `X`

and `Y`

(representing either a point pattern or
a line segment pattern)
`pairdist`

computes the distance between each pair of
`things' in the dataset, and returns
a matrix containing these distances.

The function `pairdist`

is generic, with
methods for point patterns (objects of class `"ppp"`

),
line segment patterns (objects of class `"psp"`

)
and a default method. See the documentation
for `pairdist.ppp`

, `pairdist.psp`

or `pairdist.default`

for details.

##### Value

A square matrix whose `[i,j]`

entry is the distance
between the `things' numbered `i`

and `j`

.

##### See Also

`pairdist.ppp`

,
`pairdist.psp`

,
`pairdist.default`

,
`crossdist`

,
`nndist`

,
`Kest`

*Documentation reproduced from package spatstat, version 1.62-2, License: GPL (>= 2)*