Inspecting numeric range

Back to the movie dataset from the streaming startup. Before you downcast vote_count and budget to smaller dtypes, check their maximum values and compare them against the upper bounds of smaller integer types. This shows whether 32-bit (or 16-bit) is safe.

Bu egzersiz, kursun bir parçasıdır

Scaling and Optimizing Data Pipelines with Polars

Kursa Göz Atın

Egzersiz talimatları

Compute the max of vote_count and budget.
Show the upper bound of an Int32 and an Int16 version of budget.

Uygulamalı etkileşimli egzersiz

Bu egzersizi bu örnek kodu tamamlayarak deneyin.

result = movies.select(
    # Largest vote_count
    pl.col("vote_count").____().alias("vote_count_max"),
    # Largest budget
    pl.col("budget").____().alias("budget_max"),
    # Upper bounds of smaller dtypes
    pl.col("budget").cast(pl.Int32).____().alias("budget_int32_upper"),
    pl.col("budget").cast(pl.Int16).____().alias("budget_int16_upper"),
)
print(result)

Kodu Düzenle ve Çalıştır