sub-.spp: Extract a subset of a point pattern on a sphere. Extraction...

In rubak/spatstatsphere: Point patterns on the sphere for spatstat package

Description

Extract a subset of a point pattern on a sphere. Extraction of a subset has the effect of thinning the points.

Usage

## S3 method for class 'spp'
x[i, j, drop, ...]

Arguments

x	object of class "spp".
i	Subset index. A valid subset index in the usual R sense, indicating which points should be retained.
j	Ignored. (Required for compatibility with the generic function.)
drop	Ignored. (Required for compatibility with the generic function.)
...	Ignored. (Required for compatibility with the generic function.)

Value

object of class "spp".

Examples

X <- spp(c(-45,0,45), c(-10,0,160))
X[1:2]

rubak/spatstatsphere documentation built on May 28, 2019, 9:56 a.m.