Inner join with the data.table syntax
In the last exercise, you right joined population to capitals. The result contained all rows from population and had some NAs. In this exercise, you will perform an inner join instead, retaining rows only from both the tables.
Bu egzersiz
Joining Data with data.table in R
kursunun bir parçasıdırEgzersiz talimatları
Inner join population to capitals using the data.table syntax.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Inner join with the data.table syntax
___[population, ___, ___]