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Simulate animals calls using a uniform distribution time and space

Source: R/callDensitySim.R
simCallLocation.Rd

Generate a uniform distribution of locations in time and space. The space component is in two dimensions (x, y), and the time component is in calendar time (posix.ct).

Usage

simCallLocation(
  n = 1e+06,
  R = 1e+06,
  minDate = Sys.time(),
  maxDate = minDate + 86400
)

Arguments

n

  • Number of calls that will be created.

    For reference 1 whale call every 10 s would be a maximum of 3.1536M calls In a continuous year of recording (i.e. 3652460*60/10 = 3.1536e6)

R

  • Radius of study area.

minDate

  • Starting date and time for the simulated data (POSIXct)

maxDate

  • Ending/latest date and time for the simulated data (POSIXct)

Value

sim - data.frame containing a row for each simulated call and columns for the location and time of each call.

Details

simCallLocation creates n calls within radius R of the receiver (hydrophone). This is useful for testing callDensity package with a known call density (uniform random in circular study area).