This data set is used to compare the concern for the natural environment between the citizens of 26 countries that participated in the 2000 International (ISSP) surveys 1993 and 2000 and to explain the differences.
Usage
data(Franzen)
Arguments
Format
A data frame with 25 observations (one is missing) on the following two variables.
MECISSP
Mean Environmental concern ISSP.
PPP
Purchasing power parity.
Details
Northern Ireland data are omitted because of a missing value.