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Data quality report

Stagecoach_Chichester_Andover_20200830_40

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

212

Bus lines

94%

AMBER
Data quality

131

Critical observations

591

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.

Stop (1)

Number of observations	Observation category
1	First stop is found to be set down only

Timing (33)

Number of observations	Observation category
33	Fast timing between timing points

Data set (97)

Number of observations	Observation category
97	Missing block number

Advisory observations (591)

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 (150)

Number of observations	Observation category
147	Missing stops
3	Stop(s) are not found in NaPTAN

Timing (128)

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

Journey (313)

Number of observations	Observation category
232	Duplicate journeys
5	Expired lines
76	Journey overlap