Data quality report

Arriva UK Bus_Maidstone_Dartford_20230103_15

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

240

Bus lines

91%

AMBER
Data quality

178

Critical observations

139

Advisory observations

Contents

Critical observations (178)

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

Data set (178)

Number of observations	Observation category
178	Missing block number

Advisory observations (139)

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.

Stops (60)

Number of observations	Observation category
60	Missing stops

Timing (75)

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

Journey (4)

Number of observations	Observation category
4	Journey overlap