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Data quality report

Arriva UK Bus_Wellington_Donnington_20230530_20

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

266

Bus lines

93%

AMBER
Data quality

150

Critical observations

200

Advisory observations

Contents

Critical observations (150)

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

Data set (150)

Number of observations	Observation category
150	Missing block number

Advisory observations (200)

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 (56)

Number of observations	Observation category
56	Missing stops

Timing (122)

Number of observations	Observation category
3	Last stop is not a timing point
119	No timing point for more than 15 minutes

Journey (22)

Number of observations	Observation category
22	Expired lines