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Data quality report

D&G Bus_Crewe_Nantwich_20210901_24

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

209

Bus lines

89%

RED
Data quality

187

Critical observations

85

Advisory observations

Contents

Critical observations (187)

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

Timing (1)

Number of observations	Observation category
1	Fast timing between timing points

Data set (186)

Number of observations	Observation category
186	Missing block number

Advisory observations (85)

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 (33)

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

Timing (52)

Number of observations	Observation category
52	No timing point for more than 15 minutes