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Data quality report

Arriva UK Bus_Liverpool_Bootle_20230824_2

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

481

Bus lines

89%

RED
Data quality

527

Critical observations

2974

Advisory observations

Contents

Critical observations (527)

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

Timing (36)

Number of observations	Observation category
2	Fast timing between timing points
34	Last stop is not a timing point

Data set (491)

Number of observations	Observation category
491	Missing block number

Advisory observations (2974)

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 (89)

Number of observations	Observation category
85	Missing stops
1	Stop(s) are not found in NaPTAN
3	Same stop is found multiple times

Timing (2858)

Number of observations	Observation category
2858	No timing point for more than 15 minutes

Journey (27)

Number of observations	Observation category
27	Expired lines