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Data quality report

Stagecoach_Liverpool_Chester_20211003_5

113

Bus lines

89%

RED
Data quality

102

Critical observations

613

Advisory observations

Contents

Critical observations (102)

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

Data set (102)
Number of observations Observation category
102 Missing block number

Advisory observations (613)

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 (59)
Number of observations Observation category
59 Missing stops
Timing (480)
Number of observations Observation category
480 No timing point for more than 15 minutes
Journey (74)
Number of observations Observation category
22 Expired lines
52 Journey overlap