Placeholder Data
Placeholder 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.
When a feature needs to show what a card or chart will look like before you have any sessions, SwingVantage uses placeholder values rather than leaving blank space. These values are structurally realistic but clearly labeled 'Placeholder' so they cannot be confused with real data. Placeholder data is replaced automatically when real data exists. Placeholder values are never used in coaching recommendations, never averaged into progress charts, and never exported as if real.
Example
'Club Speed — 95 mph [Placeholder]' appears in a new user's dashboard until they record their first session, at which point it is replaced by the real measured or estimated value.
Related terms
- Data Source LabelA 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.
- Mock / Demo DataMock or demo data is pre-generated illustrative data used in product demos, onboarding flows, and feature previews — always labeled to distinguish it from real user data.
- 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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