# concatxy

From spatstat v1.14-7
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

```
dat <- runifrect(30)
xy <- list(x=runif(10),y=runif(10))
new <- concatxy(dat, xy)
```

*Documentation reproduced from package spatstat, version 1.14-7, License: GPL (>= 2)*

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