trivial_intervals.int: Trivial and Non-Trivial Intervals Example Dataset
Description
Simple 5x3 example illustrating different interval types: full intervals
(hyperrectangles), degenerate intervals (lines), and trivial intervals
(points). Used for vertices PCA demonstration.
Usage
data(trivial_intervals.int)
Arguments
Format
A data frame with 5 observations and 3 interval-valued variables.
References
Billard, L. and Diday, E. (2006). Symbolic Data Analysis. Wiley.
Table 5.1, p.146.