Difficulty knobs
stub#methods#synthetic
Up: 30_Methods-MOC
🌱 Stub. Signal-to-noise, pattern rarity, class imbalance (1–3%!), corruption. Sweep; plot where it breaks.
Grow this note: define it in your own words, capture the key trade-offs, add one concrete/worked example,
and link related notes. Promote status to seed once it holds real content.