Create a new column
In the last exercise, you converted the column plane_year to an integer. This column holds the year each plane was manufactured. However, your model will use the planes' age, which is slightly different from the year it was made!
Latihan ini adalah bagian dari kursus
Foundations of PySpark
Petunjuk latihan
- Create the column
plane_ageusing the.withColumn()method and subtracting the year of manufacture (columnplane_year) from the year (columnyear) of the flight.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Create the column plane_age
model_data = model_data.withColumn("plane_age", ____.____ - ____.____)