Data quality report

Uno_Hatfield_St Albans_20210102_30

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

41

Bus lines

89%

RED
Data quality

39

Critical observations

46

Advisory observations

Contents

Critical observations (39)

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	Stop(s) are not found in NaPTAN

Data set (38)

Number of observations	Observation category
38	Missing block number

Advisory observations (46)

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 (28)

Number of observations	Observation category
28	Missing stops

Timing (15)

Number of observations	Observation category
9	Fast running time between stops
6	No timing point for more than 15 minutes

Journey (3)

Number of observations	Observation category
3	Expired lines