Extracting the hour component
With the datetime properly parsed, you want to identify when bike demand peaks during the day. To compare rentals across different hours, you need to extract the hour component from each timestamp.
polars is loaded as pl. The DataFrame bikes is available with the time column already parsed as a Datetime.
Este exercicio faz parte do curso
Data Transformation with Polars
Instruções do exercicio
- Extract the hour from the
timecolumn and name the new columnhour.
exercicio interativo prático
Tente este exercicio completando este código de exemplo.
# Extract the hour from the time column
bikes.with_columns(
pl.col("time").____.____().____("hour")
)