Converting streams to billions
You are a data analyst at a record company. You have a Spotify dataset containing 25 popular albums with streaming metrics such as total plays, monthly listeners, and popularity scores. The streams column shows total plays as large integers that are hard to read, so you need to convert them to billions using a custom Python function.
polars is loaded as pl. The DataFrame spotify and a to_billions() function are preloaded for you.
Bu egzersiz
Data Transformation with Polars
kursunun bir parçasıdırEgzersiz talimatları
- Apply
to_billionsto thestreamscolumn to create a new column calledstreams_billions. - Specify the return type as
pl.Float64for explicit type control.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Apply to_billions to the streams column
result = spotify.with_columns(
pl.col("streams").____(
____, return_dtype=____
).alias("streams_billions")
)
print(result.head())