Data quality report
National Express West Midlands_Wolverhampton_Coventry_20220220_3
- Please find your data quality observations below.
- What are the different type of observations?
- Download data quality report.csv
Contents
Critical observations (321)
These observations are considered critical in terms of data quality. An operator should aim to have zero critical observations in their data.
| Number of observations | Observation category |
|---|---|
| 4 | Stop(s) are not found in NaPTAN |
| Number of observations | Observation category |
|---|---|
| 317 | Fast timing between timing points |
Advisory observations (3449)
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.
| Number of observations | Observation category |
|---|---|
| 85 | Missing stops |
| Number of observations | Observation category |
|---|---|
| 6 | First stop is not a timing point |
| 3318 | No timing point for more than 15 minutes |
| Number of observations | Observation category |
|---|---|
| 2 | Duplicate journeys |
| 38 | Journey overlap |