Data quality report

Go-Ahead_Mitcham_Sanderstead_20200902_5

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

38

Bus lines

90%

RED
Data quality

34

Critical observations

24

Advisory observations

Contents

Critical observations (34)

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

Stops (1)

Number of observations	Observation category
1	Incorrect stop type

Data set (33)

Number of observations	Observation category
33	Missing block number

Advisory observations (24)

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.

Stops (3)

Number of observations	Observation category
3	Missing stops

Timing (18)

Number of observations	Observation category
6	First stop is not a timing point
6	Last stop is not a timing point
6	No timing point for more than 15 minutes

Journey (3)

Number of observations	Observation category
3	Expired lines