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Data quality report

Arriva UK Bus_High Wycombe_Leighton Buzzard_20230108_40

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

250

Bus lines

89%

RED
Data quality

250

Critical observations

220

Advisory observations

Contents

Critical observations (250)

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 (238)

Number of observations	Observation category
238	Missing block number

Advisory observations (220)

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 (83)

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

Timing (135)

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

Journey (2)

Number of observations	Observation category
2	Journey overlap