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 1.1.0 Index]