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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220605_37

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

472

Bus lines

88%

RED
Data quality

461

Critical observations

2475

Advisory observations

Contents

Critical observations (461)

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

Data set (461)

Number of observations	Observation category
461	Missing block number

Advisory observations (2475)

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 (82)

Number of observations	Observation category
79	Missing stops
3	Same stop is found multiple times

Timing (2387)

Number of observations	Observation category
17	Last stop is not a timing point
2370	No timing point for more than 15 minutes

Journey (6)

Number of observations	Observation category
6	Expired lines