Water-taxi rider age is messy at the edges, but planning only needs child, adult, and senior bands. Which feature step matches that need?
Select an answer to reveal the explanation.
Short Explanation
Think of messy rider ages when planning only needs child, adult, and senior. Bin the continuous age into those ordinal bands. One-hot of every integer year is not a band.
Full Explanation
Binning or discretization is the feature step when the useful signal is a step band, not the raw continuous value. Keeping every year, one-hot of each year, and Firehose miss that band.