शुरू करेंमुफ़्त में शुरू करें

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.

यह अभ्यास पाठ्यक्रम का हिस्सा है

Data Manipulation in Julia

पाठ्यक्रम देखें

अभ्यास निर्देश

  • Select columns starting with the letter r and columns ending with location and save the new DataFrame as reviews_locations.
  • Sort reviews_locations in place using the rating column in descending order.

इंटरैक्टिव व्यावहारिक अभ्यास

इस अभ्यास को इस नमूना कोड को पूरा करके आज़माएँ।

# 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))
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