LF06travel: Travel time example data for alternative-specific outcomes.

LF06travelR Documentation

Travel time example data for alternative-specific outcomes.

Description

Example data, also used in Long and Freese (2006), to illustrate conditional or fixed effects logistic regression. Also refered to as alternative-specific outcomes.

Usage

data("LF06travel")

Format

A data frame with 456 observations on the following 13 variables.

id

a numeric vector denoting nested units (individuals) or strata

mode

a numeric vector denoting mode of transit

train

a dummy variable for selecting the train

bus

a dummy variable for selecting the bus

car

a dummy variable for selecting a car

time

a numeric vector denoting transit time

invc

a numeric vector denoting invertng cost

choice

a numeric vector denoting the choice of travel, i.e. the dependent variable

ttme

a numeric vector

invt

a numeric vector

gc

a numeric vector

hinc

a numeric vector

psize

a numeric vector

Source

Long, Scott J. and Jeremy Freese. 2006. "Regression Models for Categorical Dependent Variables Using Stata." Austin, TX: Stata Press

Examples

data(LF06travel)
head(LF06travel)

catregs documentation built on Sept. 11, 2024, 6:18 p.m.