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Data quality report

Arriva UK Bus_High Wycombe_Aylesbury_20210117_33

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

236

Bus lines

96%

AMBER
Data quality

134

Critical observations

300

Advisory observations

Contents

Critical observations (134)

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

Timing (54)

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

Data set (80)

Number of observations	Observation category
80	Missing block number

Advisory observations (300)

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 (80)

Number of observations	Observation category
80	Missing stops

Timing (159)

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

Journey (61)

Number of observations	Observation category
3	Expired lines
58	Journey overlap