What are the top 5 destinations?
When analyzing data, it is often useful to know the key top/popular stats such as the most popular cities or the most famous restaurants etc. In this exercise, you will find the five most popular destinations (i.e., the five most popular end_stations).
Este exercício faz parte do curso
Data Manipulation with data.table in R
Instruções do exercício
- Chain the following three
data.tableexpressions:- Find the total number of trips to each
end_station. - Arrange the total number of trips for each
end_stationin descending order. - Filter the top 5 rows.
- Find the total number of trips to each
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Top five most popular destinations
top_5 <- batrips[, ___, by = ___][___][___]
top_5