Glossary
Trend Analysis
Updated February 28, 2026
Trend analysis smooths noisy data so changes are based on patterns, not single days.
Rules
Minimum trend windows
Different metrics require specific observation periods to distinguish genuine patterns from daily fluctuations. These windows ensure changes are based on reliable data rather than temporary variations.
| Metric | Minimum window | Minimum confidence rule |
|---|---|---|
| Scale weight | 10 to 14 days | two-week pattern before changing calories |
| Waist or photos | 2 to 4 week comparisons | ignore one-week cosmetic noise |
| Protein average | weekly average x3 weeks | adjust only after adherence confirms |
| Steps and active volume | 10 to 14 day trend | align carb changes after output trend stabilizes |
Noise and over-correction controls
Temporary spikes and dips often reflect measurement errors or short-term physiological events rather than meaningful changes. Recognizing these patterns prevents unnecessary adjustments that can destabilize progress.
| Signal | Likely noise source | Action |
|---|---|---|
| Sudden +0.5kg jump after sodium or hydration event | fluid shift | no macro changes unless trend continues |
| One-week low adherence spike | logging recovery and consistency issue | hold changes and run a clean week |
| Training day spike in total output | fatigue recovery mismatch | treat as event, not trend |
| Missed tracking days | missing baseline | require clean three-day minimum before decisions |
Plateau and rebound protocol
Stalled progress requires careful diagnosis to identify whether the issue stems from measurement drift, behavioral changes, or physiological adaptation. Each scenario demands a different response to restore momentum effectively.
| Pattern | Interpretation | Next move |
|---|---|---|
| Plateau with high adherence and good sleep | drift likely from undercounted intake | re-evaluate portions and liquid calories first |
| Plateau with reduced adherence | behavioral drift likely | simplify plan before changing targets |
| Rebound after correction | likely delayed physiology | keep new target for 1 to 2 additional cycles |
| Plateau + fatigue and poor sleep | recovery bottleneck | prioritize recovery deload, delay aggressive changes |
Action plan with delay
- hold macro changes until two trend windows agree
- change only one macro family at a time
- recheck 7 to 14 days after each adjustment
- revert change if performance and satiety both deteriorate
This reduces over-correction and keeps plans stable.