Data quality report

Rotala Group of Companies_Walton-on-Thames_Hersham_20211208_10

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

27

Bus lines

88%

RED
Data quality

60

Critical observations

34

Advisory observations

Contents

Critical observations (60)

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

Stops (4)

Number of observations	Observation category
4	Stop(s) are not found in NaPTAN

Timing (31)

Number of observations	Observation category
31	Fast timing between timing points

Data set (25)

Number of observations	Observation category
25	Missing block number

Advisory observations (34)

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 (24)

Number of observations	Observation category
24	Missing stops

Timing (8)

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

Journey (2)

Number of observations	Observation category
2	Expired lines