Extract.ltraj: Extract or Replace Parts of an Object of Class ltraj

In adehabitat: Analysis of Habitat Selection by Animals

Description

Extract or replace subsets of objects of class ltraj.

Usage

  ## S3 method for class 'ltraj'
x[i, id, burst]
  ## S3 replacement method for class 'ltraj'
x[i, id, burst] <- value

Arguments

x	an object of class ltraj
i	numeric. The elements to extract or replace
id	a character vector indicating the identity of the animals to extract or replace
burst	a character vector indicating the identity of the bursts of relocations to extract or replace
value	an object of class ltraj

Details

Objects of class ltraj contain several bursts of relocations. This function subsets or replaces these bursts, based on their indices or on the attributes id *or* burst.

Value

An object of class ltraj.

Author(s)

Clement Calenge [e-mail]

See Also

ltraj, gdltraj

Examples

  data(puechcirc)
  puechcirc

  ## Extract the second and third bursts
  (toto <- puechcirc[2:3])

  ## Extracts all bursts collected on the animal JE
  puechcirc[id = "JE93"]

  
  ## Replace one burst
  toto[2] <- puechcirc[1]
  toto

adehabitat documentation built on Jan. 28, 2018, 5:02 p.m.