number of observations : 453
observation : individuals
A dataframe containing :
one of car, carpool, bus or rail
cost of mode z
time of mode z
Kenneth Train's home page : http://elsa.berkeley.edu/~train/.
Questions? Problems? Suggestions? Tweet to @rdrrHQian@mutexlabs.com.
Please suggest features or report bugs with the GitHub issue tracker.
All documentation is copyright its authors; we didn't write any of that.