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Data quality report
CRITICAL ISSUES

National Express (UK Coach)_Manchester Airport_170_20240517_2

1

Bus service
affected

51

Critical observations

50

Advisory observations

Contents

Critical observations (51)

These observations are considered critical in terms of data quality. An operator should aim to have zero critical observations in their data.

Journey (51)
Number of observations Observation category
51 Missing journey code

Advisory observations (50)

These observations suggest there may be an error in the data. However, for some types of services these may be intended by the operator. Advisory observations should be investigated and addressed. If the observation is a result of intended behaviour, an operator can suppress the observation.

Journey (17)
Number of observations Number of suppressed observations Observation category
17 0 Missing bus working number
Timing (33)
Number of observations Number of suppressed observations Observation category
33 0 No timing point for more than 15 minutes