loyalty: Loyalty data

In fsdaR: Robust Data Analysis Through Monitoring and Dynamic Visualization

Loyalty data

Description

The loyalty data consist of 509 observations on the behaviour of customers with loyalty cards from a supermarket chain in Northern Italy. The response y is the amount in euros spent at the shop over six months and the explanatory variables are: X1, the number of visits to the supermarket in the six month period; X2, the age of the customer; X3, the number of members of the customers' family. To find out more about this data set please see Atkinson and Riani (2006), JCGS

Usage

data("loyalty")

Format

A data frame with 509 observations on the following 4 variables.

visits

the number of visits to the supermarket in the six month period

age

the age of the customer

family

the number of members of the customers' family

amount_spent

the amount in euros spent at the shop over six months

Details

To find out more about this data set please see Atkinson and Riani (2006), JCGS

Source

The data are themselves a random sample from a larger database. The sample of 509 observations is available at http://www.riani.it/trimmed/.

References

Atkinson, A. and Riani, M (2006) Distribution Theory and Simulations for Tests of Outliers in Regression, Journal of Computational and Graphical Statistics, 15 2, pp 460–476.

Examples

data(loyalty)

fsdaR documentation built on March 31, 2023, 8:18 p.m.