Right join with the data.table syntax
capitals
and population
, the two data.table
s containing information about the geography and population of Australia are available in your workspace. Your goal is to add the state of each city to the population
by performing a right join using the data.table
syntax.
Cet exercice fait partie du cours
Joining Data with data.table in R
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Right join population to capitals using data.table syntax
capitals[___, on = ___]