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.
Bu egzersiz, kursun bir parçasıdır
Data Manipulation in Julia
Egzersiz talimatları
- 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.
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
# 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))