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Data quality report

White Bus_Staines_Horsell_20170902_160

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

40

Bus lines

90%

AMBER
Data quality

36

Critical observations

26

Advisory observations

Contents

Critical observations (36)

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

Timing (4)

Number of observations	Observation category
4	Last stop is not a timing point

Data set (32)

Number of observations	Observation category
32	Missing block number

Advisory observations (26)

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 (16)

Number of observations	Observation category
16	Missing stops

Timing (3)

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

Journey (7)

Number of observations	Observation category
7	Expired lines