Based on gapminder::gapminder dataset, selects 10 year intervals
and 4 continents. The "year" variable is defined as a factor and the "pop"
variable is divided by 1e+6.
year
numeric factor as 1952, 1972, 1992, 2002
pop
population in units of 1e+6
continent
factor with 4 levels
lifeExp
life expectancy at birth, in years
Usage
gapminder_data
Arguments
Format
An object of class data.table (inherits from data.frame) with 560 rows and 6 columns.