par_nn_metrics {swaRmverse}R Documentation

Adding Motion Properties in Parallel - Verbose

Description

This function calculates the bearing angle and distance from a focal individual to its nearest neighbor at the given timestep.

Usage

par_nn_metrics(per_time, geo = FALSE)

Arguments

per_time

A groups positional data at a single timestep. Columns must include: id, t, head, x, y.

geo

Logical, whether positions are geographic coordinates, default = FALSE.

Value

The input dataframe with new columns for nnd (nearest neighbor distance), nn_id (its id) and bangl (nearest neighbor bearing angle).

Author(s)

Marina Papadopoulou m.papadopoulou.rug@gmail.com


[Package swaRmverse version 0.1.0 Index]