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.
This exercise is part of the course
Data Transformation with Polars
Exercise instructions
- Extract the hour from the
timecolumn and name the new columnhour.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Extract the hour from the time column
bikes.with_columns(
pl.col("time").____.____().____("hour")
)