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Data quality report

Arriva UK Bus_High Wycombe_Leighton Buzzard_20230108_38

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

313

Bus lines

90%

RED
Data quality

277

Critical observations

290

Advisory observations

Contents

Critical observations (277)

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 (265)

Number of observations	Observation category
265	Missing block number

Advisory observations (290)

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 (95)

Number of observations	Observation category
93	Missing stops
2	Stop(s) are not found in NaPTAN

Timing (168)

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

Journey (27)

Number of observations	Observation category
25	Expired lines
2	Journey overlap