The regression-measurement thread

Knowing whether a change actually helped. Opens in M3's five-step EDA checklist before any fine-tuning starts, runs through M6's perplexity, BLEU/ROUGE/METEOR, and RAG-specific metrics, and closes in M9 where offline regression against prior versions and drift detection extend the same discipline into production.

NCPG-T3 · 0 lessons across 0 modules

Part of the throughlines running across the NCA-GENL prep course.