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Data quality report

Arriva UK Bus_Bootle_Liverpool_20211219

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

98

Bus lines

94%

AMBER
Data quality

52

Critical observations

621

Advisory observations

Contents

Critical observations (52)

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

Data set (52)

Number of observations	Observation category
52	Missing block number

Advisory observations (621)

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 (22)

Number of observations	Observation category
22	Missing stops

Timing (599)

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