bird_color_taxonomy.hist: Bird Color Taxonomy Histogram Dataset

In dataSDA: Datasets and Basic Statistics for Symbolic Data Analysis

Bird Color Taxonomy Histogram Dataset

Description

Mixed symbolic dataset of 20 bird observations with histogram-valued feather density and body size, categorical tone, and distribution-valued shade (fuzzy taxonomy). From Tables 6.9 and 6.14 of Billard and Diday (2007).

Usage

data(bird_color_taxonomy.hist)

Format

A data frame with 20 observations and 4 variables:

• density: Histogram-valued feather density (up to 4 bins).

• size: Histogram-valued body size (2-bin).

• tone: Categorical tone (dark/light).

• shade: Distribution-valued shade (purple/red/white/yellow with fuzzy weights).

Metadata

Sample size (n)	20
Variables (p)	4
Subject area	Zoology
Symbolic format	Mixed (histogram, categorical, distribution)
Analytical tasks	Clustering, Descriptive statistics

Source

Billard, L. and Diday, E. (2007), Tables 6.9/6.14.

References

Billard, L. and Diday, E. (2007). Symbolic Data Analysis: Conceptual Statistics and Data Mining. Wiley, Chichester. Tables 6.9 and 6.14.

Examples

data(bird_color_taxonomy.hist)

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