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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220605_41

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

552

Bus lines

90%

RED
Data quality

477

Critical observations

2997

Advisory observations

Contents

Critical observations (477)

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 (460)

Number of observations	Observation category
460	Missing block number

Advisory observations (2997)

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 (84)

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

Timing (2826)

Number of observations	Observation category
2826	No timing point for more than 15 minutes

Journey (87)

Number of observations	Observation category
87	Expired lines