Glossary term
Glossary term
Infrastructure and Serving
A statistic that you care about.
An objective is a metric that a machine learning system tries to optimize.
Created for this library
An ML platform team picks the primary metric for each model so reviewers can compare versions without ambiguity.
A search-quality team selects NDCG as the primary metric for its ranker and tracks several secondary metrics for diagnostic purposes.
A churn modeling team uses precision at top-k as its primary business metric because the call-center capacity is the binding constraint.
Definition source: Google for Developers Machine Learning Glossary | Creative Commons Attribution 4.0 License