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Data quality report

Arriva UK Bus_High Wycombe_Leighton Buzzard_20211219_3

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

634

Bus lines

96%

AMBER
Data quality

254

Critical observations

486

Advisory observations

Contents

Critical observations (254)

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

Timing (27)

Number of observations	Observation category
18	Fast timing between timing points
2	First stop is not a timing point
7	Last stop is not a timing point

Data set (227)

Number of observations	Observation category
227	Missing block number

Advisory observations (486)

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 (78)

Number of observations	Observation category
78	Missing stops

Timing (270)

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

Journey (138)

Number of observations	Observation category
108	Expired lines
30	Journey overlap