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Data quality report

Go-Ahead_Colchester_Clacton_20180604

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

261

Bus lines

89%

RED
Data quality

312

Critical observations

309

Advisory observations

Contents

Critical observations (312)

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

Timing (74)

Number of observations	Observation category
24	Fast timing between timing points
21	First stop is not a timing point
29	Last stop is not a timing point

Data set (238)

Number of observations	Observation category
238	Missing block number

Advisory observations (309)

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 (258)

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

Timing (17)

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

Journey (34)

Number of observations	Observation category
18	Expired lines
16	Journey overlap