Number of Tracks in a Track Table — n

Track tables produced by track_df can contain multiple tracks (e.g., from different animals). This function returns the number of tracks in a track table.

Usage

n_tracks(x)

Arguments

x: A track data table as produced by track_df.

Value

A numeric value.

Author

Simon Garnier, garnier@njit.edu

Examples

data(short_tracks)

n_tracks(short_tracks)
#> [1] 2