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Data quality report

Ensign Bus_Grays_Tilbury_20210417_2

38

Bus lines

94%

AMBER
Data quality

17

Critical observations

13

Advisory observations

Contents

Critical observations (17)

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

Data set (17)
Number of observations Observation category
17 Missing block number

Advisory observations (13)

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 observation should be investigated and addressed.

Stops (7)
Number of observations Observation category
7 Missing stops
Timing (5)
Number of observations Observation category
1 First stop is not a timing point
4 No timing point for more than 15 minutes
Journey (1)
Number of observations Observation category
1 Expired lines