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Data quality report

Transport for Greater Manchester_Horwich_Wigan_20240623_4

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

187

Bus lines

91%

AMBER
Data quality

138

Critical observations

794

Advisory observations

Contents

Critical observations (138)

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

Data set (138)

Number of observations	Observation category
138	Missing block number

Advisory observations (794)

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 (16)

Number of observations	Observation category
16	Missing stops

Timing (772)

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

Journey (6)

Number of observations	Observation category
4	Expired lines
2	Journey overlap