Cars interval data — cars

Interval-valued measurements of 27 car models across 4 variables: Price, Engine Capacity (EngCap), Top Speed, and Acceleration. Each observation is an interval representing the range of values within a car class.

Usage

cars_mm

Format

An interval_data object with 27 observations and 4 variables:

centers: 27 x 4 matrix of interval midpoints.
radii: 27 x 4 matrix of interval half-widths.
labels: Factor with 4 levels: Berlina, Luxury, Sportive, Utilitarian.

Source

Billard, L. and Diday, E. (2006). Symbolic Data Analysis: Conceptual Statistics and Data Mining. Wiley.