Selecting patterns
Switzerland, Belgium, Ecuador, … these countries and many more are associated with the best chocolate. But does our dataset agree? Let's look at the columns containing information regarding reviews and location!
The DataFrames package and the chocolates dataset have been loaded for you.
Den här övningen är en del av kursen
Data Manipulation in Julia
Övningsinstruktioner
- Select columns starting with the letter
rand columns ending withlocationand save the new DataFrame asreviews_locations. - Sort
reviews_locationsin place using theratingcolumn in descending order.
Interaktiv övning med praktiskt arbete
Testa den här övningen genom att slutföra den här exempelkoden.
# Select columns starting with r and columns ending with location
reviews_locations = ____(____, ____, ____)
# Sort reviews_locations using the rating column
____(____, ____, rev = true)
println(first(reviews_locations, 5))