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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220605_38

• Please find your data quality observations below.
• What are the different type of observations?
• Download data quality report.csv

470

Bus lines

88%

RED
Data quality

483

Critical observations

2428

Advisory observations

Contents

Critical observations (483)

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

Timing (17)

Number of observations	Observation category
17	Last stop is not a timing point

Data set (466)

Number of observations	Observation category
466	Missing block number

Advisory observations (2428)

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 (82)

Number of observations	Observation category
79	Missing stops
3	Same stop is found multiple times

Timing (2342)

Number of observations	Observation category
2342	No timing point for more than 15 minutes

Journey (4)

Number of observations	Observation category
4	Expired lines