This data set gives the gross national product (GNP) per capita in 1996 for various countries as well as their estimated carbon dioxide (CO2) emission per capita for the same year.
data(CO2data)
This data frame consists of 28 countries and the following columns:
GNP
The gross national product per capita in 1996.
CO2
The estimated carbon dioxide emission per capita in 1996.
country
An abbreviation pertaining to the country measured
(e.g., "GRC" = Greece and "CH" = Switzerland).
Hurn, M., Justel, A. and Robert, C. P. (2003) Estimating Mixtures of Regressions, Journal of Computational and Graphical Statistics 12(1), 55--79.