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Data quality report

Arriva UK Bus_Wellington_Oswestry_20220102_5

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

498

Bus lines

94%

AMBER
Data quality

274

Critical observations

502

Advisory observations

Contents

Critical observations (274)

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

Timing (6)

Number of observations	Observation category
6	First stop is not a timing point

Data set (268)

Number of observations	Observation category
268	Missing block number

Advisory observations (502)

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 (111)

Number of observations	Observation category
111	Missing stops

Timing (151)

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

Journey (240)

Number of observations	Observation category
232	Expired lines
8	Journey overlap