Car Evaluation Database was derived from a simple hierarchical decision model originally developed for the demonstration of DEX, M. Bohanec, V. Rajkovic: Expert system for decision making.
A data frame with 1728 observations on the following 6 variables.
the buying price (4 modalities: vhigh, high, med, low)
the price of the maintenance (4 modalities: vhigh, high, med, low)
the number of doors (4 modalities: 2, 3, 4, 5more)
the capacity in terms of persons to carry (3 modalities: 2, 4, more)
the size of luggage boot (3 modalities: small, med, big)
the estimated safety of the car (3 modalities: low, med, high)
the car acceptability (4 modalities: unacc, acc, good, vgood)
Creator: Marko Bohanec Donors: Marko Bohanec & Blaz Zupan http://archive.ics.uci.edu/ml/datasets/Car+Evaluation