spatdim {spatstat}R Documentation

Spatial Dimension of a Dataset

Description

Extracts the spatial dimension of an object in the spatstat package.

Usage

spatdim(X)

Arguments

X

Object belonging to any class defined in the spatstat package.

Details

This function returns the number of spatial coordinate dimensions of the dataset X. The results for some of the more common types of objects are as follows:

object class dimension
"ppp" 2
"lpp" 2
"pp3" 3
"ppx" number of spatial dimensions
"owin" 2
"psp" 2
"ppm" 2

Note that time dimensions are not counted.

If X is not a recognised spatial object, the result is NA.

Value

An integer, or NA.

Author(s)

Adrian Baddeley Adrian.Baddeley@curtin.edu.au

Rolf Turner r.turner@auckland.ac.nz

and Ege Rubak rubak@math.aau.dk

Examples

  spatdim(lansing)

[Package spatstat version 1.56-0 Index]