27 min listen
Emerging Topics Community: The Hashing Trick for High Cardinality Features (Part 3 of 4)
Emerging Topics Community: The Hashing Trick for High Cardinality Features (Part 3 of 4)
ratings:
Length:
20 minutes
Released:
Feb 21, 2023
Format:
Podcast episode
Description
This is the third in a 4-part series where Anders Larson and Shea Parkes discuss predictive analytics with high cardinality features. In this episode they focus on feature engineering via the hashing trick. The hashing trick is most applicable for extremely high cardinality, and at first glance can seem almost ridiculous. In a lot of ways, it is the same as bucketing values at random. But there are times that it is more valuable to include randomly engineered buckets than to exclude the original high cardinality feature entirely.
Released:
Feb 21, 2023
Format:
Podcast episode
Titles in the series (100)
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