Data quality report

Arriva UK Bus_Maidstone_Dartford_20210606_8

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

585

Bus lines

97%

AMBER
Data quality

127

Critical observations

484

Advisory observations

Contents

Critical observations (127)

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

Data set (127)

Number of observations	Observation category
127	Missing block number

Advisory observations (484)

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 (115)

Number of observations	Observation category
115	Missing stops

Timing (86)

Number of observations	Observation category
1	Fast running time between stops
85	No timing point for more than 15 minutes

Journey (283)

Number of observations	Observation category
152	Duplicate journeys
17	Expired lines
114	Journey overlap