# R: Read a Point Process Object from a File

ppinit {spatial} | R Documentation

## Read a Point Process Object from a File

### Description

Read a file in standard format and create a point process object.

### Usage

    ppinit(file)

### Arguments

`file` | string giving file name

### Details

The file should contain

the number of points
a header (ignored)
xl xu yl yu scale
x y (repeated n times)

### Value

class `"pp"` object with components `x`, `y`, `xl`, `xu`, `yl`, `yu`

### Side Effects

Calls `ppregion` to set the domain.

### References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

### See Also

`ppregion`

### Examples

    towns <- ppinit("towns.dat")
    par(pty="s")
    plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)")

[Package spatial version 7.2-36 Index]