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Data quality report

D&G Bus_Crewe_Wilmslow_20210825_7

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

165

Bus lines

90%

AMBER
Data quality

131

Critical observations

162

Advisory observations

Contents

Critical observations (131)

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

Data set (131)

Number of observations	Observation category
131	Missing block number

Advisory observations (162)

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.

Stop (32)

Number of observations	Observation category
32	Missing stops

Timing (115)

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

Journey (15)

Number of observations	Observation category
15	Expired lines