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Data quality report

Go-Ahead_Penzance_Truro_20170903_3

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

515

Bus lines

90%

RED
Data quality

532

Critical observations

396

Advisory observations

Contents

Critical observations (532)

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

Timing (103)

Number of observations	Observation category
61	Fast timing between timing points
8	First stop is not a timing point
34	Last stop is not a timing point

Data set (429)

Number of observations	Observation category
429	Missing block number

Advisory observations (396)

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 (342)

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

Timing (34)

Number of observations	Observation category
33	No timing point for more than 15 minutes
1	Slow timing between timing points

Journey (20)

Number of observations	Observation category
20	Expired lines