data.fertilizer {desk}

Fertilizer in the Cultivation of Barley

Description

This is a data set on the use of fertilizers (phosphate and nitrogen) in the cultivation of barley.

Usage

data.fertilizer

Format

A data frame with 30 observations on the following three variables:

phos	amount of phosphate (in kg per hectare).
nit	amount of nitrogen (in kg per hectare).
barley	barley crop yield (in units of 100 kg per hectare).

Details

In Auer (2023, Chap. 9) and Auer et al. (2023, Chap. 9). These hypothetical data are used to illustrate the estimation of a multivariate linear regression model.

Source

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

References

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