Create the LIFEEXP data set. Each observation in this data set contains information on 1950 and 1993 life expectancies at birth for 16 nations. (footnote 1) The birth rate for each nation is classified as stable (1) or rapid (2). The nations with missing data obtained independent status after 1950.
data lifexp; input PopulationRate Country $char14. Life50 Life93 @@; label life50='1950 life expectancy' life93='1993 life expectancy'; datalines; 2 Bangladesh . 53 2 Brazil 51 67 2 China 41 70 2 Egypt 42 60 2 Ethiopia 33 46 1 France 67 77 1 Germany 68 75 2 India 39 59 2 Indonesia 38 59 1 Japan 64 79 2 Mozambique . 47 2 Philippines 48 64 1 Russia . 65 2 Turkey 44 66 1 United Kingdom 69 76 1 United States 69 75 ;
FOOTNOTE 1: Data are from Vital Signs 1994: The Trends That Are Shaping Our Future, Lester R. Brown, Hal Kane, and David Malin Roodman, eds. Copyright © 1994 by Worldwatch Institute. Reprinted by permission of W.W. Norton & Company, Inc.