The locations have been given generic station names, due to the sensitive nature of the dataset. The connections between stations (i.e., which stations are connected by drift and in which direction) are real.
data(ddd)
A data frame with 18 rows and 2 variables.
The variables are as follows:
From. The station where a tag may drift from.
To. The station where a tag may drift to, from the station in From.