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Data quality report

Arriva UK Bus_Rhyl_Chester_20240630_9

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

374

Bus lines

91%

AMBER
Data quality

298

Critical observations

521

Advisory observations

Contents

Critical observations (298)

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

Timing (12)

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

Data set (286)

Number of observations	Observation category
286	Missing block number

Advisory observations (521)

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 (160)

Number of observations	Observation category
160	Missing stops

Timing (354)

Number of observations	Observation category
54	Fast running time between stops
300	No timing point for more than 15 minutes

Journey (7)

Number of observations	Observation category
5	Expired lines
2	Journey overlap