| 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.
- 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)