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Data quality report

Go-Ahead_Colchester_Norwich_20180701_39

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

351

Bus lines

91%

AMBER
Data quality

299

Critical observations

218

Advisory observations

Contents

Critical observations (299)

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

Timing (43)

Number of observations	Observation category
4	Fast timing between timing points
9	First stop is not a timing point
30	Last stop is not a timing point

Data set (256)

Number of observations	Observation category
256	Missing block number

Advisory observations (218)

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 (163)

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

Timing (25)

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

Journey (30)

Number of observations	Observation category
20	Expired lines
10	Journey overlap