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Data quality report

Arriva UK Bus_Liverpool_Bootle_20220220_7

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

490

Bus lines

88%

RED
Data quality

490

Critical observations

1222

Advisory observations

Contents

Critical observations (490)

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

Timing (1)

Number of observations	Observation category
1	Fast timing between timing points

Data set (489)

Number of observations	Observation category
489	Missing block number

Advisory observations (1222)

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. If the observation is a result of intended behaviour, an operator can suppress the observation.

Stop (86)

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

Timing (1136)

Number of observations	Observation category
1	Fast running time between stops
1135	No timing point for more than 15 minutes