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Data quality report

Belle Vue_Sale_Hazel Grove_20160726_4

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

63

Bus lines

99%

AMBER
Data quality

3

Critical observations

35

Advisory observations

Contents

Critical observations (3)

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

Stop (1)

Number of observations	Observation category
1	Incorrect stop type

Timing (1)

Number of observations	Observation category
1	First stop is not a timing point

Data set (1)

Number of observations	Observation category
1	Missing block number

Advisory observations (35)

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 (3)

Number of observations	Observation category
3	Missing stops

Timing (14)

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

Journey (18)

Number of observations	Observation category
18	Expired lines