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Data quality report

Arriva UK Bus_Wellington_Oswestry_20230103_2

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

256

Bus lines

90%

RED
Data quality

218

Critical observations

182

Advisory observations

Contents

Critical observations (218)

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
4	Fast timing between timing points
2	First stop is not a timing point

Data set (212)

Number of observations	Observation category
212	Missing block number

Advisory observations (182)

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
95	Missing stops

Timing (79)

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

Journey (8)

Number of observations	Observation category
8	Journey overlap