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Data quality report

Arriva UK Bus_Rhyl_Bangor_20220220_51

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

337

Bus lines

89%

RED
Data quality

312

Critical observations

464

Advisory observations

Contents

Critical observations (312)

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

Data set (312)

Number of observations	Observation category
312	Missing block number

Advisory observations (464)

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.

Stop (212)

Number of observations	Observation category
212	Missing stops

Timing (231)

Number of observations	Observation category
1	First stop is not a timing point
15	Last stop is not a timing point
215	No timing point for more than 15 minutes

Journey (21)

Number of observations	Observation category
21	Expired lines