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Data quality report

RATP Dev London_Old Coulsdon_Surbiton_20210529_1

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

10

Bus lines

16%

RED
Data quality

13

Critical observations

51

Advisory observations

Contents

Critical observations (13)

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

Timing (6)

Number of observations	Observation category
6	Fast timing between timing points

Data set (7)

Number of observations	Observation category
7	Missing block number

Advisory observations (51)

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 (4)

Number of observations	Observation category
4	Missing stops

Timing (3)

Number of observations	Observation category
3	Fast running time between stops

Journey (44)

Number of observations	Observation category
2	Expired lines
42	Journey overlap