Concatenating text columns
With the whitespace cleaned up, you realize that some products have the same detail but come in different sizes. To uniquely identify each product variant, you need to combine the detail and size columns into a single identifier.
Bu egzersiz, kursun bir parçasıdır
Data Transformation with Polars
Egzersiz talimatları
- Concatenate the
detailandsizecolumns with a colon separator and name the new columndetail_size.
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
# Combine detail and size into a new column
reviews.with_columns(
pl.____(["detail", "size"], separator="____").____("detail_size")
)