credit_card.int: Credit Card Expenses Interval Dataset

In dataSDA: Datasets and Basic Statistics for Symbolic Data Analysis

Credit Card Expenses Interval Dataset

Description

Interval-valued credit card spending aggregated by person-month. Three individuals' (Jon, Tom, Leigh) monthly expenditures across five categories.

Usage

data(credit_card.int)

Format

A data frame with 6 observations and 11 columns (5 interval variables in _l/_u Min-Max pairs, plus a label):

• person_month: Person-month identifier (e.g., "Jon - January"; character).

• food_l, food_u: Food expenditure range (USD).

• social_l, social_u: Social expenditure range (USD).

• travel_l, travel_u: Travel expenditure range (USD).

• gas_l, gas_u: Gas expenditure range (USD).

• clothes_l, clothes_u: Clothes expenditure range (USD).

Details

The original classical dataset (Table 2.3) records individual transactions. The symbolic version (Table 2.4) aggregates into interval-valued observations for each person-month combination.

Metadata

Sample size (n)	6
Variables (p)	11
Subject area	Finance
Symbolic format	Interval
Analytical tasks	Descriptive statistics

References

Billard, L. and Diday, E. (2006). Symbolic Data Analysis. Wiley. Tables 2.3-2.4.

Examples

data(credit_card.int)

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