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Data quality report

Stagecoach_Ebbw Vale_Caerphilly_20210928_13

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

162

Bus lines

99%

AMBER
Data quality

16

Critical observations

677

Advisory observations

Contents

Critical observations (16)

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

Stop (10)

Number of observations	Observation category
10	First stop is found to be set down only

Timing (6)

Number of observations	Observation category
6	Fast timing between timing points

Advisory observations (677)

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 (169)

Number of observations	Observation category
168	Missing stops
1	Stop(s) are not found in NaPTAN

Timing (407)

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

Journey (101)

Number of observations	Observation category
8	Duplicate journeys
43	Expired lines
50	Journey overlap