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Data quality report

Abellio London_Purley_407_20210619_1

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

1

Bus line

88%

RED
Data quality

2

Critical observations

1

Advisory observation

Contents

Critical observations (2)

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

Timing (1)

Number of observations	Observation category
1	Fast timing between timing points

Data set (1)

Number of observations	Observation category
1	Missing block number

Advisory observations (1)

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.

Timing (1)

Number of observations	Observation category
1	Fast running time between stops