Data Source Label
Also known as: DataSource, provenance label, source label
A Data Source Label is the badge shown alongside every metric in SwingVantage that identifies where that data came from — Measured, Estimated, AI Interpreted, Placeholder, or Real — so you always know how to weight it.
Every number in SwingVantage carries a provenance label. This system — called DataSource in the codebase — is a core honesty guarantee, not a cosmetic detail. Labels prevent a natural human tendency: treating all numbers on a screen as equally authoritative. A value labeled 'Measured' was observed by a sensor; 'Estimated' was inferred from video; 'AI Interpreted' emerged from AI reasoning; 'Placeholder' is a demo value that will be replaced with real data; 'Real / Live' confirms the data is from an actual session in real-time sync. No label is ever left off.
Example
A report row shows: 'Ball Speed — 147 mph [Measured]' and below it 'Launch Angle — ~12.5° [Estimated]' — the contrast is explicit.
Why it matters
Labels make the difference between an honest tool and a misleading one. You cannot make good decisions from data you do not understand.
Related terms
- Measured ValueA measured value is a number that came from a real sensor or instrument — a launch monitor, radar gun, or wearable — and was not inferred or estimated from video or rules.
- Estimated ValueAn estimated value is a number derived from observable cues and encoded rules rather than from direct sensor measurement — a confident, grounded inference that is never presented as a measured fact.
- Interpreted ValueAn interpreted value is a judgment or label that emerged from AI reasoning applied to raw data — such as 'likely timing issue' or 'probable hip stall' — rather than from a direct measurement or a deterministic rule.
- Placeholder DataPlaceholder data is a temporary illustrative value shown in a UI before real data is available — always explicitly labeled as a placeholder so it is never mistaken for an actual measurement or estimate.
- Real / Live DataReal / Live data is data captured from an actual user session or sensor — not a placeholder, not a demo, not a mock — and is labeled accordingly so you can trust it as genuine input to analysis.
- Evidence LabelAn evidence label separates what SwingVantage measured (a sensor or launch-monitor number) from what it estimated (an inferred likely pattern), so an estimate is never presented as a lab measurement.
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