Preprocessing of data
get_data(data, ID, trip, LON, LAT, time)
A data frame
A data frame with the steps of trajectories. It is assumed the time between steps is uniform. It must contain contain at least five columns: subject identifier, trip identifier, latitude, longitude, and time of the reading.
Character string indicating the name of the subjects column in the dataset.
Character string indicating the trip column in the dataset.
Numeric. Longitude readings.
Numeric. Latitude readings.
Numeric. Time of the readings.