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Data quality report

Arriva UK Bus_Crewe_Sale_20220102_1

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

148

Bus lines

89%

RED
Data quality

140

Critical observations

179

Advisory observations

Contents

Critical observations (140)

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

Data set (140)

Number of observations	Observation category
140	Missing block number

Advisory observations (179)

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 (29)

Number of observations	Observation category
29	Missing stops

Timing (150)

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