| LF06travel {catregs} | R 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.
ida numeric vector denoting nested units (individuals) or strata
modea numeric vector denoting mode of transit
traina dummy variable for selecting the train
busa dummy variable for selecting the bus
cara dummy variable for selecting a car
timea numeric vector denoting transit time
invca numeric vector denoting invertng cost
choicea numeric vector denoting the choice of travel, i.e. the dependent variable
ttmea numeric vector
invta numeric vector
gca numeric vector
hinca numeric vector
psizea 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)