ntrips {iccTraj}R Documentation

Computes the number of trips by subject

Description

Computes the number of trips by subject

Usage

ntrips(data)

Arguments

data

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.

Value

A data frame with the number of trips by subject.


[Package iccTraj version 1.0.4 Index]