data.filter {desk}

Water Filter Sales

Description

This is a data set on the prices and sales figures of water filters (in 1000 pcs.).

Usage

data.filter

Format

A data frame with 24 observations on the following two variables:

sales	monthly water filter sales (in 1000 pcs.).
price	price (in Euro).

Details

In Auer (2023, Chap. 18) and Auer et al. (2023, Chap. 18) these hypothetical data are used to illustrate the consequences of autocorrelated error terms.

Source

Auer, L.v. (2023): Ökonometrie - Eine Einführung, 8th ed., Springer-Gabler (https://www.oekonometrie-lernen.de).

References

Auer, L.v. (2023): Ökonometrie - Eine Einführung, 8th ed., Springer-Gabler (https://www.oekonometrie-lernen.de).

Auer, L.v., Hoffmann, S. & Kranz, T. (2023): Ökonometrie - Das R-Arbeitsbuch, 2nd ed., Springer-Gabler (https://www.oekonometrie-lernen.de).