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Data quality report

Go-Ahead_Penzance_Truro_20171203_1

521

Bus lines

90%

AMBER
Data quality

467

Critical observations

394

Advisory observations

Contents

Critical observations (467)

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

Timing (44)
Number of observations Observation category
8 First stop is not a timing point
36 Last stop is not a timing point
Data set (423)
Number of observations Observation category
423 Missing block number

Advisory observations (394)

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 (330)
Number of observations Observation category
330 Missing stops
Timing (33)
Number of observations Observation category
32 No timing point for more than 15 minutes
1 Slow timing between timing points
Journey (31)
Number of observations Observation category
31 Expired lines