Extract.splitppp {spatstat}R Documentation

Extract or Replace Sub-Patterns

Description

Extract or replace some of the sub-patterns in a split point pattern.

Usage

  ## S3 method for class 'splitppp'
x[...]
  ## S3 replacement method for class 'splitppp'
x[...] <- value

Arguments

x

An object of class "splitppp", representing a point pattern separated into a list of sub-patterns.

...

Subset index. Any valid subset index in the usual R sense.

value

Replacement value for the subset. A list of point patterns.

Details

These are subset methods for the class "splitppp".

The argument x should be an object of class "splitppp", representing a point pattern that has been separated into a list of sub-patterns. It is created by split.ppp.

The methods extract or replace a designated subset of the list x, and return an object of class "splitppp".

Value

Another object of class "splitppp".

Author(s)

Adrian Baddeley Adrian.Baddeley@csiro.au http://www.maths.uwa.edu.au/~adrian/ and Rolf Turner r.turner@auckland.ac.nz

See Also

split.ppp, plot.splitppp, summary.splitppp

Examples

  data(amacrine)  # multitype point pattern
  y <- split(amacrine)
  y[1]
  y["off"]
  y[1] <- list(runifpoint(42, amacrine$window))
 

[Package spatstat version 1.25-3 Index]