timestamps: Extract or set the timestamps of a Move or MoveStack object

In move: Visualizing and Analyzing Animal Track Data

Extract or set the timestamps of a Move or MoveStack object

Description

The timestamps method returns or sets the timestamps of a track from a Move or MoveStack object.

Usage

  ## S4 method for signature '.MoveTrackSingle'
timestamps(this)
  ## S4 method for signature '.MoveTrack'
timestamps(this)
  ## S4 replacement method for signature '.MoveTrack'
timestamps(this) <- value

Arguments

this	move, moveStack, moveBurst, .unUsedRecords or .unUsedRecordsStack object
value	timestamps from class POSIXct

Value

vector of class POSIXct.
Note that for moveStacks a single string is returned without splitting by individual (see 'Examples').

Author(s)

Marco Smolla & Anne Scharf

Examples

data(leroy)
data(fishers)

## get the timestamps from a Move object
head(timestamps(leroy)) 
## get the timestamps from a MoveStack object
head(timestamps(fishers)) 
## get the timestamps from a unUsedRecords object
head(timestamps(unUsedRecords(leroy)))  

## get timestamps separatly for each individual from a MoveStack 
str(lapply(split(fishers), timestamps))

## change the timestamps and set it for a Move object
timestamps(leroy) <- timestamps(leroy)+60 
## change the timestamps and set it for a MoveStack object
timestamps(fishers) <- timestamps(fishers)+60.1

move documentation built on July 9, 2023, 6:09 p.m.