Compute comparative significance for a single item within a peer group.
Ranks the target score among all peers, computes a percentile position,
and compares against the peer average. Peers are sorted descending by
composite score; rank 1 = highest composite.
Compute comparative significance for a single item within a peer group.
Ranks the target score among all peers, computes a percentile position, and compares against the peer average. Peers are sorted descending by composite score; rank 1 = highest composite.