# pairdist

From spatstat v1.16-2
by Adrian Baddeley

##### 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 1.16-2, License: GPL (>= 2)*

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