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Data quality report

National Express West Midlands_Wolverhampton_Coventry_20210418_2

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

300

Bus lines

100%

GREEN
Data quality

9

Critical observations

2493

Advisory observations

Contents

Critical observations (9)

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

Timing (9)

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

Advisory observations (2493)

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 (130)

Number of observations	Observation category
130	Missing stops

Timing (2355)

Number of observations	Observation category
2355	No timing point for more than 15 minutes

Journey (8)

Number of observations	Observation category
8	Journey overlap