abalone.iGAP: Abalone Dataset (iGAP Format)

In dataSDA: Datasets and Basic Statistics for Symbolic Data Analysis

Abalone Dataset (iGAP Format)

Description

Interval-valued dataset of 24 units from the UCI Abalone dataset, aggregated by sex and age group. iGAP format (comma-separated interval strings). See abalone.int for the Min-Max column format.

Usage

data(abalone.iGAP)

Format

A data frame with 24 observations (e.g., F-10-12, M-4-6) and 7 character columns in iGAP format (comma-separated "min, max" strings):

• Length: Shell length range.

• Diameter: Shell diameter range.

• Height: Shell height range.

• Whole: Whole weight range.

• Shucked: Shucked weight range.

• Viscera: Viscera weight range.

• Shell: Shell weight range.

Row names encode Sex-AgeGroup (e.g., F-10-12 = Female age 10–12).

Metadata

Sample size (n)	24
Variables (p)	7
Subject area	Marine biology
Symbolic format	Interval (iGAP)
Analytical tasks	Clustering, Visualization

Source

UCI Machine Learning Repository.

References

Nash, W. J., Sellers, T. L., Talbot, S. R., Cawthorn, A. J., and Ford, W. B. (1994). The Population Biology of Abalone (Haliotis species) in Tasmania. Sea Fisheries Division, Technical Report No. 48.

UCI Machine Learning Repository. https://archive.ics.uci.edu/ml/datasets/Abalone

Examples

data(abalone.iGAP)

dataSDA documentation built on June 12, 2026, 9:06 a.m.