ex0327 | R Documentation |
Life expectancy and per capita income for 20 industrialized countries and 9 petroleum exporting countries. Note that there is a missing value for South Africa.
ex0327
A data frame with 29 observations on the following 4 variables.
Country
a character vector indicating the country
Life
life expectancy (years)
Income
income in 1974 (U.S. dollars)
Type
factor variable with levels
"Industrialized"
and "Petroleum"
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
Leinhardt, S. and Wasserman, S.S. (1979). Teaching Regression: An Exploratory Approach, The American Statistician 33(4): 196–203.
str(ex0327)
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