Data quality indicator
The data quality indicator displays the volume of actual journey level real-time data (we support GTFS and Real time vehicle location data) that has been received and compared against the schedule data (GTFS Schedule dataset).
![](../__attachments/495303/Image%201.png?inst-v=5e239f12-cd15-4842-b26f-352ac4620f55)
The data quality indicator is found in the top right of the KPI Dashboard (1).
Matched = at least one instance of real-time data (a heartbeat from a vehicle) has been matched against a journey from the GTFS Schedule dataset.
No data = no instances of heartbeats (real-time data) have been received to match a scheduled journey in the GTFS
Cancelled = A trip that existed in the schedule but was removed
The view can be toggled to display a journey percentage or a count as preferred, and changes to reflect whether all operators or one operator is selected (2).
A journey will be considered “matched” if one real-time heartbeat can be matched to a journey from the GTFS Schedule dataset.
Real-time heartbeats received without a trip_ID are classed as dead running and don’t register in this data.
EXAMPLE #1
![](../__attachments/495303/Image%202.png?inst-v=5e239f12-cd15-4842-b26f-352ac4620f55)
By toggling between the percent and count figures, we can see that over 151,000 journeys have been matched from the real-time data to the schedule data, which equates to 92% data accuracy.