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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220102_2

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

476

Bus lines

88%

RED
Data quality

476

Critical observations

1056

Advisory observations

Contents

Critical observations (476)

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

Data set (476)

Number of observations	Observation category
476	Missing block number

Advisory observations (1056)

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 (79)

Number of observations	Observation category
79	Missing stops

Timing (977)

Number of observations	Observation category
6	First stop is not a timing point
1	Last stop is not a timing point
970	No timing point for more than 15 minutes