coupons: Discount coupons

In glmtoolbox: Set of Tools to Data Analysis using Generalized Linear Models

Discount coupons

Description

The market research department of a soft drink manufacturer is investigating the effectiveness of a price discount coupon on the purchase of a two-litre beverage product. A sample of 5500 costumers received coupons for varying price discounts between 5 and 25 cents. The main objective of the analysis is to determine if the price discount affects the proportion of redeemed coupons after one month.

Usage

data(coupons)

Format

A data frame with 11 rows and 3 variables:

discounts

a numeric vector indicating the price discount, in cents.

costumers

a numeric vector indicating the number of customers who received coupons.

redeemed

a numeric vector indicating the number of redeemed coupons.

References

Montgomery D.C., Peck E.A., Vining G. (2012, page 464) Introduction to linear regression analysis. 5th ed. Berlin, Wiley.

Examples

dev.new()
data(coupons)
barplot(100*redeemed/costumers ~ discounts, data=coupons, xlab="Discount price",
        ylab="(%) Redeemed coupons", col="blue")

glmtoolbox documentation built on Sept. 11, 2024, 7:32 p.m.