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Data quality report

Arriva UK Bus_Rhyl_Bangor_20220220_3

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

786

Bus lines

94%

AMBER
Data quality

397

Critical observations

705

Advisory observations

Contents

Critical observations (397)

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

Timing (24)

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

Data set (373)

Number of observations	Observation category
373	Missing block number

Advisory observations (705)

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 (178)

Number of observations	Observation category
178	Missing stops

Timing (456)

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

Journey (71)

Number of observations	Observation category
69	Expired lines
2	Journey overlap