Insight tags are nouz's way of saying "this is worth your attention". Each one fires from a specific statistical rule — knowing the rules helps you read the signals correctly.
01 What insight tags are there?
- Peak day — your highest-revenue weekday, consistently above average.
- Weak day — your lowest-revenue weekday, consistently below average.
- Streak — a run of consecutive days above (or below) a threshold.
- Margin drift — a product's per-unit margin shifting more than ~10% over four weeks.
- Best week — the current week is your top-revenue week of the period.
- Cost creep — a category of expense growing faster than revenue.
- Cap warning — approaching 80% of your plan's annual revenue cap.
02 What triggers each insight tag?
Each tag fires from a specific threshold paired with a confidence window, so a signal has to be both large enough and consistent enough before it shows. The general approach is median plus coefficient-of-variation filtering, which means one weird Tuesday won't flip a long-term pattern. The exact values live in lib/statistics-rules.ts if you're curious about the precise numbers.
03 Why doesn't nouz fabricate insights?
Most analytics dashboards manufacture insights to fill the page — "your revenue is up 3.4% this week!" — even when 3.4% is well within noise. We refuse. If the signal isn't strong enough to be honest, the Insights panel stays empty. See When insights are quiet for the philosophy.
04 Which tags should I act on first?
Some tags are informational and some are actionable, so a rough priority helps. Act this week on margin drift and cost creep, which both signal silent margin loss, and on a cap warning as you approach your plan cap. Look closer at a negative streak to understand why several bad days clustered. Treat peak day, weak day, and positive streaks as informational context for staffing. The full priority order follows.
- Margin drift / cost creep — act this week. Both signal silent margin loss.
- Cap warning — act this week. Approaching your plan cap.
- Streak (negative) — look closer. Why three bad days in a row?
- Peak day / weak day / streak (positive) — informational. Use for staffing.
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