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Class for selections of signals in sound files

Usage

is_selection_table(x)

Arguments

x

R object.

Value

A logical argument indicating whether the object class is 'selection_table'

Details

An object of class selection_table created by selection_table is a list with the following elements:

  • selections: data frame containing the frequency/time coordinates of the selections, sound file names, and any additional information

  • check.resutls: results of the checks on data consistency using check_sels

See also

selection_table Check if object is of class "selection_table"

is_selection_table Check if the object belongs to the class "selection_table"

selection_table

Author

Marcelo Araya-Salas (marcelo.araya@ucr.ac.cr)

Examples

{
  # load data
  data(list = c("Phae.long1", "Phae.long2", "Phae.long3", "Phae.long4", "lbh_selec_table"))

  is_selection_table(lbh_selec_table)

  # save wave files in temporary directory
  writeWave(Phae.long1, file.path(tempdir(), "Phae.long1.wav"))
  writeWave(Phae.long2, file.path(tempdir(), "Phae.long2.wav"))
  writeWave(Phae.long3, file.path(tempdir(), "Phae.long3.wav"))
  writeWave(Phae.long4, file.path(tempdir(), "Phae.long4.wav"))

  st <- selection_table(lbh_selec_table, path = tempdir())

  is_selection_table(st)

  class(st)
}
#> checking selections (step 1 of 1):
#> [1] "selection_table" "data.frame"