Public methodology register
Prediction-to-timetable match coverage
- Version
- realtime-prediction-timetable-match-v1
- ID
- network-quality:prediction-timetable-match-coverage
Definition
- Definition
- The share of published realtime prediction points that can be joined to an official scheduled trip and stop time.
- Formula
- 100 × matched prediction points ÷ all prediction points. The current value uses the trailing 30 minutes; the historical quality window aggregates completed service days.
- Units
- percent of realtime prediction points
- Population
- Realtime prediction points received from the connected operator feeds.
- Measurement window
- Current quality: trailing 30 minutes. Historical quality: completed service-day aggregates.
- Coverage
- The numerator contains prediction points that join to the current static timetable; the denominator contains all received prediction points in scope.
- Publication eligibility
- Connected OC Transpo and STO prediction observations with a valid received time. Missing feeds are unavailable, not zero.
- Scope
- The connected OC Transpo and STO realtime prediction observations and the matching currently imported static GTFS timetable.
- What this number can support
- Evidence-pipeline compatibility only. It does not measure punctuality, cancellations, completed trips, or rider wait.
Implementation status
- Source candidate
- Implemented in this source candidate.
- Public production
- This metric version has not been independently verified in the public production deployment.
The calculation is implemented in this source candidate. This record does not claim that the same version has been independently verified in the public production deployment.
Sources and identifiers
- Method
realtime-prediction-timetable-match-v1Prediction matching quality method - Current API
reliability-evidenceCurrent network reliability public API
Exclusions
- This is an evidence-pipeline quality measure, not a punctuality, cancellation, or operated-service score.
- A prediction that cannot be joined is not treated as proof that the associated trip or stop service did not operate.
Uncertainty and interpretation
- Static and realtime identifiers can diverge during schedule transitions, partial feed failures, or operator changes; those gaps reduce coverage without describing rider outcomes.
Current evidence
Change history
No registered material change is recorded for this metric version.