Modal choice data for journey to work in the Washington DC area from the late 1960's. The variables are: * `DCOST`: difference in cost of car versus transit (transit - car) * `CARS`: number of cars at home * `DOVTT`: difference in out of vehicle time (transit - car) * `DIVTT`: difference in in vehicle time (transit - car) * `DEPEND`: coded 1 if by car, 0 if by mass transit
Horowitz93A data frame with 842 observations on 5 variables:
Horowitz, J L, (1993) Semiparametric estimation of a work-trip mode choice model. Journal of Econometrics, 58, 49-70.