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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220605_30

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

510

Bus lines

89%

RED
Data quality

459

Critical observations

2323

Advisory observations

Contents

Critical observations (459)

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

Data set (459)

Number of observations	Observation category
459	Missing block number

Advisory observations (2323)

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 (85)

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

Timing (2235)

Number of observations	Observation category
5	Last stop is not a timing point
2230	No timing point for more than 15 minutes

Journey (3)

Number of observations	Observation category
3	Expired lines