PN — F1-macro (unweighted mean of per-class F1) is PUMA’s primary triage…

F1-macro (unweighted mean of per-class F1) is PUMA’s primary triage metric, chosen over F1-weighted so every priority class carries equal weight; computed with average=“macro”, zero_division=0.

Source: PUMA project documentation · Traceability: corpus unit ANXAG-008 · Confidence: verified-at-primary-source