This is a data set on the prices and qualitative characteristics of laser printers from 1992 to 2001.
data.printer
A data frame with 44 observations on the following five variables:
price | price of the printer (in euro). |
speed | printer's speed (in pages per minute). |
size | printer's size (in cubic decimeter). |
mcost | maintenance costs of printer (in cent per page). |
tdiff | time difference between the printer's observation and the data set's first observed laser printer (in month). |
In Auer (2023, Chap. 21) and Auer et al. (2024, Chap. 21) these hypothetical data are used to illustrate the consequences of multicollinear exogenous variables.
Auer, L.v., Hoffmann, S. & Kranz, T. (2024): Ökonometrie - Das R-Arbeitsbuch, 2nd ed., Springer-Gabler (https://www.oekonometrie-lernen.de).