Replacing multiple patterns
The analytics team needs to calculate average product sizes, but the size column contains text values like "30ml" instead of numbers. You can replace multiple patterns at once to clean these values.
Bu egzersiz
Data Transformation with Polars
kursunun bir parçasıdırEgzersiz talimatları
- Replace
"30ml","50ml", and"100ml"in the"size"column with their numeric equivalents"30","50", and"100". - Cast the
"size"column to a 64-bit integer.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Replace size values with numeric strings
reviews.with_columns(
pl.col("size").str.____(["30ml","50ml","100ml"],["____","____","____"])
# Cast size column to integer
).____({"____":pl.Int64})