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Data quality report

Metroline Travel_Potters Bar_St Albans_20200829_23

12

Bus lines

96%

AMBER
Data quality

4

Critical observations

11

Advisory observations

Contents

Critical observations (4)

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

Data set (4)
Number of observations Observation category
4 Missing block number

Advisory observations (11)

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 (4)
Number of observations Observation category
4 Missing stops
Timing (3)
Number of observations Observation category
1 No timing point for more than 15 minutes
1 Slow running time between stops
1 Slow timing between timing points
Journey (4)
Number of observations Observation category
4 Journey overlap