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Data quality report

Vision Bus_Horwich_Bolton_20210411_1

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

115

Bus lines

96%

AMBER
Data quality

35

Critical observations

102

Advisory observations

Contents

Critical observations (35)

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

Data set (35)

Number of observations	Observation category
35	Missing block number

Advisory observations (102)

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 (33)

Number of observations	Observation category
33	Missing stops

Timing (20)

Number of observations	Observation category
20	No timing point for more than 15 minutes

Journey (49)

Number of observations	Observation category
49	Expired lines