# concatxy

From spatstat v1.57-1
by Adrian Baddeley

##### Concatenate x,y Coordinate Vectors

Concatenate any number of pairs of `x`

and `y`

coordinate vectors.

##### Usage

`concatxy(…)`

##### Arguments

- …
Any number of arguments, each of which is a structure containing elements

`x`

and`y`

.

##### Details

This function can be used to superimpose two or more point patterns
of unmarked points (but see also `superimpose`

which is
recommended).

It assumes that each of the arguments in
`…`

is a structure containing (at least) the elements
`x`

and `y`

. It concatenates all the `x`

elements
into a vector `x`

, and similarly for `y`

, and returns these
concatenated vectors.

##### Value

A list with two components `x`

and `y`

, which are the
concatenations of all the corresponding `x`

and `y`

vectors in the argument list.

##### See Also

##### Examples

```
# NOT RUN {
dat <- runifrect(30)
xy <- list(x=runif(10),y=runif(10))
new <- concatxy(dat, xy)
# }
```

*Documentation reproduced from package spatstat, version 1.57-1, License: GPL (>= 2)*

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