Categorizing customers with conditions

Now you'll learn to create conditional expressions. The market research team wants to identify satisfied customers for a follow-up survey - customers with ratings of 4 or higher should be flagged.

The reviews DataFrame is available with 5 rows printed to preview.

Bu egzersiz

Data Transformation with Polars

kursunun bir parçasıdır

Kursu Görüntüle

Egzersiz talimatları

Check if the "rating" column is greater than or equal to 4.
Return "Yes" when the condition is True.
Return "No" when the condition is False.

Uygulamalı interaktif egzersiz

Bu örnek kodu tamamlayarak bu egzersizi bitirin.

reviews.with_columns(
  	# Check if rating is 4 or higher
    pl.____(pl.col("rating") >= ____)
  
    # Return "Yes" when True
    .____(pl.____("Yes"))
  
    # Return "No" when False
    .____(pl.____("No"))
    .alias("is_satisfied")
)

Kodu Düzenle ve Çalıştır