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mrr

do_memory_core::search::metrics

Function mrr 

Source 
pub fn mrr(
    retrieved_lists: &[Vec<usize>],
    relevant_sets: &[HashSet<usize>],
) -> f64
Expand description

Calculate Mean Reciprocal Rank (MRR).

MRR measures where the first relevant item appears in the ranking.

§Arguments

  • retrieved_lists - List of ranked result lists (one per query)
  • relevant_sets - List of relevant item sets (one per query)

§Returns

MRR in range [0.0, 1.0]. Higher is better.