Computing in j (I)
Since columns can be treated as variables inside data.table's square brackets ([ ]), you can compute on the columns directly in j.
Bu egzersiz
Data Manipulation with data.table in R
kursunun bir parçasıdırUygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Calculate median duration using the j argument
median_duration <- ___
median_duration