Data quality report

Carlone Buses_Staines_Woodham_20170102_10

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

24

Bus lines

79%

RED
Data quality

19

Critical observations

9

Advisory observations

Contents

Critical observations (19)

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

Data set (19)

Number of observations	Observation category
1	Incorrect NOC code
18	Missing block number

Advisory observations (9)

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 (4)

Number of observations	Observation category
4	Missing stops

Timing (2)

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

Journey (3)

Number of observations	Observation category
3	Expired lines