Metric
Success@K
Canonical ID https://id.searchplex.net/success-at-k/
A cutoff evaluation metric indicating whether at least one relevant item appears within the top K results.
Also called
- Hit@K
- Hits@K
- Hit Rate@K
Scope
Success@K is a binary per-query metric often averaged across queries. It is commonly called Hit@K or Hits@K in recommendation, RAG, and retrieval evaluation settings.
Part of family
Evaluates
Not equivalent to
- Success@K is not Precision@K. Success@K is binary per query; Precision@K measures the fraction of top-K results that are relevant.
- Success@K is not Recall@K. Success@K asks whether at least one relevant item appears in the top K; Recall@K measures how much of the relevant set appears in the top K.
Learn more
ID
- Canonical ID
https://id.searchplex.net/success-at-k/ - Scheme
Searchplex ID - Machine
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