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Data quality report

National Express West Midlands_Wolverhampton_Coventry_20210307_4

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

298

Bus lines

100%

GREEN
Data quality

10

Critical observations

5748

Advisory observations

Contents

Critical observations (10)

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

Timing (10)

Number of observations	Observation category
8	First stop is not a timing point
2	Last stop is not a timing point

Advisory observations (5748)

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 (135)

Number of observations	Observation category
135	Missing stops

Timing (1517)

Number of observations	Observation category
1517	No timing point for more than 15 minutes

Journey (4096)

Number of observations	Observation category
4096	Journey overlap