- 6 Mar 2012
This policy has been developed in accordance with the UK Statistics Authority Code of practice for Official Statistics (http://www.scotland.gov.uk/Topics/Statistics/About/NatStats) and the Scottish Government Revisions Policy (http://www.scotland.gov.uk/Topics/Statistics/About/CPSonRevisionsCorrections).
There are two types of revisions that this policy covers.
Changes to the component data sources used in the statistical release will be incorporated in the next scheduled release. All figures which are expected to be revised will be clearly marked as provisional and an indication given of when revisions are expected to be published. If possible an indication of the possible scale and nature of likely revisions will be given. On publication of revisions, all relevant releases will clearly indicate where a revision has occurred and the reasons why.
For the planning performance statistics, changes to the component data will be revised back to, and including 5 quarters. Where a revision spans the financial years reported in the annual statistics, the annual tables will be updated accordingly.
All other revisions to historic data (all data older than that currently due for revision) should only be made where there is a substantial revision, such as a change in methodology or definition.
If an error occurred as a result of the compilation, imputation or dissemination process, consideration will be given to:
- The importance of the statistic e.g. is it a headline figure or being used in significant ways?
- The size of the mistake particularly relative to any stated levels of accuracy
- The recipients of the mistake
- The consequences of the mistake – does it alter the main message of the statistics or any likely use?
Minor errors will be corrected in the next edition of the publication. The correction will be made clear and reasons explained.
For substantial errors we will:
- Correct the material on the website, making clear that this has been done.
- Notify users of any substantial errors or errors which could affect their own work.
- Where errors have been identified that will take time to correct advance notice should be given if possible with the expected release date and an indication of possible scale.
In the case of major corrections we will also issue a formal Statistical News Release subject to the normal procedures for such releases.
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