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Data quality report

Arriva UK Bus_Crewe_Sale_20211219_1

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

367

Bus lines

98%

AMBER
Data quality

59

Critical observations

442

Advisory observations

Contents

Critical observations (59)

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

Data set (59)

Number of observations	Observation category
59	Missing block number

Advisory observations (442)

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 (31)

Number of observations	Observation category
31	Missing stops

Timing (411)

Number of observations	Observation category
3	Fast running time between stops
2	Last stop is not a timing point
406	No timing point for more than 15 minutes