Annex 2: Data Sources
Since 2013-14, the National Statistics on Recorded Crime in Scotland have been produced using data extracted from a single Police Scotland IT system called the Scottish Operational and Management Information System (ScOMIS). This data is then provided to the Scottish Government for the production of the National Statistics.
In 2019, Police Scotland developed a new data repository called the Source for Evidence Based Policing (SEBP). The intention is that this will, in due course, become the official source of information for the recorded crime National Statistics, replacing ScOMIS.
A preliminary review, looking at how changing from ScOMIS to SEBP impacts on the production of the Recorded Crime National Statistics, suggests that there is good alignment between both of these administrative systems.
Before the Scottish Crime Recording Board (SCRB) approves this transition, a final confirmatory check of the full 2019-20 reporting year will take place prior to publication of the Recorded Crime in Scotland, 2019-20 National Statistics. This will involve a comparison of trends in recorded crimes, offences and clear up rates for all local authorities and Scotland as a whole between 2018-19 and 2019-20. A technical report detailing the results of this analysis and highlighting any implications for data interpretation will be published in September 2020.
In order to produce the new monthly Official Statistics included in this bulletin in the necessary shorter time frames, the information supplied by Police Scotland has been extracted from SEBP. As such, the figures provided in this publication use a different source from the most recent National Statistics on Recorded Crime in Scotland – and are therefore not directly comparable (notwithstanding the preliminary finding noted above that there is good alignment between the two systems).
In addition, amendments to crime and offence records will always arise after data has been submitted by Police Scotland to the Scottish Government. Some crime or offence records may, on further investigation by the police, be redesignated to not constitute a crime or offence (a process known as 'no-criming'). In other cases the original crime or offence may be re-classified, which could shift the record between different crime or offence groups (for example if a common assault was found on further investigation to be a serious assault it would switch from Group 6 Miscellaneous Offences to Group 1 Non-sexual Crimes of Violence).
The data for this bulletin was extracted in May 2020. The information for April 2019 is unlikely to change as more than a year has passed since the crimes were originally recorded and the vast majority of amendments are likely to have taken place. In contrast, there has been a much shorter time for amendments to have been made to the information for April 2020 and so this information is likely to change to a greater extent as more time passes. Some caution should therefore be taken in interpreting the changes between 2019 and 2020, as outlined in these monthly bulletins, which should be seen as providing a broad indication of changes over the period in volumes and types of specific crimes and offences. We will assess the impact of revisions to the data and provide further information in future publications.
When published, the annual National Statistics for 2019-20 and 2020-21 will provide the most robust source of information on crimes recorded by the police, and how these have changed over time.
For further background information (e.g. classification of Crimes and Offences and comparisons with England & Wales and Northern Ireland) please see Annex 1 in the latest National Statistics on Recorded Crime in Scotland: https://www.gov.scot/publications/recorded-crime-scotland-2018-19/pages/23/
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