Creating an Enum column
Movies have a fixed status vocabulary like Released, Rumored, Post Production, and so on. Since the allowed values are known upfront, an Enum is a better fit than Categorical: it adds validation that catches any unknown status before it pollutes the pipeline.
movies is still available, along with a pre-defined status_enum listing every allowed value.
Bu egzersiz, kursun bir parçasıdır
Scaling and Optimizing Data Pipelines with Polars
Egzersiz talimatları
- Cast the
statuscolumn using the pre-definedstatus_enum.
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
result = movies.with_columns(
# Cast to the enum
pl.col("____").____(____)
).select("movie_title", "status").head(8)
print(result)