A dataset on car evaluations based on basic features, derived from a simple hierarchical decision model.

car

Format

A data frame containing 1728 cars (rows) and 7 variables (columns).

buying.price

price for buying the car, Factor (high, low, med, vhigh)

maint.price

price of the maintenance, Factor (high, low, med, vhigh)

doors

number of doors, Factor (2, 3, 4, 5more)

persons

capacity in terms of persons to carry, Factor (2, 4, more)

luggage

the size of luggage boot, Factor (big, med, small)

safety

estimated safety of the car, Factor (high, low, med)

acceptability

Criterion: Category of acceptability rating.

Values: unacc/ vgood/ good/ acc

Source

http://archive.ics.uci.edu/ml/datasets/Car+Evaluation

Original creators and donors: Marko Bohanec and Blaz Zupan

Details

The criterion variable is a car's acceptability rating.

The criterion for this dataset has not yet been binarized. Before using it with FFTrees, this prerequisite step should be completed based on individual preferences.

References

Bohanec, M., Rajkovic, V. (1990): Expert system for decision making. Sistemica, 1 (1), 145--157.