R: Stated Preferences survey for a toll road

TollRoad {mlogit} | R Documentation

## Stated Preferences survey for a toll road

### Description

a panel from 1999-2000

number of observations : 1448 observations for 548 individuals

observation : individuals

country : United-States

### Usage

    data(TollRoad)

### Format

A dataframe containing :

id

  the individual id

src

  the source of the data, one of `br` : revealed preference survey conducted by the Brookings Institution, `bs` : stated preferences survey conducted by the Brookings Institution and `cal` : revealed preferences survey conducted by the Californian Polytechnic State University

route

  the route chosen, one of `express` (the toll-road) or `freeway` (the free road)

toll.alt

  the monetary cost of the road (a for the free road)

time.alt

  the median time of the trip on both highways for the given schedule

reliability.alt

  the reliability of the trip length on both highways for the given schedule, measured by the difference between the 80th and the 50th percentile of the trip length

occupance

  the number of people in the car

size

  the household size

sex

  one of `male` or `female`

flexibility

  does the respondent declare having a flexible arrival time, a factor with levels `yes` or `no`

distance

  trip distance in miles

commute

  a long-commute for trips longer than 45 minutes (a factor with levels `yes` or `no`)

age3050

  a factor with levels `yes` if the respondent is between 30 and 50 years old, `no` otherwise

income

  a factor with levels `low`, `medium` and `high`

### Source

Kenneth A. Small, Clifford Winston, Jia Yan (2005) “Uncovering the distribution of motorists' preferences for travel time and reliability”, Econometrica, 73(4), 1367-1382.

### References

Econometrica data archive

[Package mlogit version 0.3-0 Index]