travel is a bn.fit object for the Bayesian network on a traveling preferences survey.
Format
The Bayesian network travel includes the following nodes:
A: three-level factor with levels
young,adult,old. It indicates the age of an individual.S: two level-factor with levels
M(male) andF(female). It indicates the gender of an individual.E: two level-factor with levels
highanduni. It indicates the education level of an individual.O: two level-factor with levels
emp(employed) andself(self-employed). It indicates the occupation of an individual.R: two level-factor with levels
smallandbig. It indicates the size of the residence of an individual.T: three level-factor with levels
car,trainandother. It indicates the preferred mean of transportation by an individual.