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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220102_6

828

Bus lines

93%

AMBER
Data quality

471

Critical observations

1803

Advisory observations

Contents

Critical observations (471)

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

Timing (15)
Number of observations Observation category
1 Fast timing between timing points
12 First stop is not a timing point
2 Last stop is not a timing point
Data set (456)
Number of observations Observation category
456 Missing block number

Advisory observations (1803)

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.

Stop (72)
Number of observations Observation category
72 Missing stops
Timing (1360)
Number of observations Observation category
4 Fast running time between stops
1356 No timing point for more than 15 minutes
Journey (371)
Number of observations Observation category
371 Expired lines