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Local Administrative Units (LAU) - Level 1 are part of the Nomenclature of Territorial Units for Statistics (NUTS) hierarchical classification of UK areas created by the European Office Statistics (Eurostat) in order to produce regional statistics which are comparable across the European Union. There are 3 NUTS levels moving from larger to smaller areas, NUTS 1 is Scotland, NUTS 2 divides Scotland into 4 areas and NUTS 3 divides Scotland into 23 areas. NUTS areas are stable and are only amended periodically. NUTS 4 and NUTS 5 have been superseded by Local Administrative Units (LAU), which were introduced in July 2003 as there was a requirement for statistics at local level which were compatible with NUTS. LAUs are amended to reflect administrative boundary changes. LAU boundaries were created by National Records of Scotland (NRS) from existing geographies. LAU Level 1 (formerly NUTS level 4) are Council Areas, Local Enterprise Companies (LECs) or a combination of both. Scotland is covered by 41 LAU1 areas.
A 2001 Census Area Statistic (CAS) ward is one of 2 special wards created for 2001 Census Output. These are both created by aggregating output areas and are only best-fit for electoral wards. Using master postcodes, OAs are assigned to electoral wards. The resulting 1,222 aggregations are denoted CAS wards and will fall within a council area boundary and meet a threshold of 20 households and 50 persons.
This dataset shows the 2011 Census Output Areas (OAs) – Part Removed. This dataset contains the polygons which were removed in order to make the OA whole. The area of these polygons is included in the area figure for the 2011 OA. There were 349 non contiguous census output areas not caused by water. A decision was made to delete one of the polygons to make the OA whole. This was purely a cosmetic exercise. The part to be removed did not contain the master postcode and in the majority of the cases it was the smaller of the polygons but in a few instances it may have been the large part simply because the smaller part was more dense and master postcode assigned to it. Revisions and Corrections Revision to 2011 Output Area codes (13 September 2013) An anomaly was discovered in the 2011 Census Output Area (OA) codes which were published on 15 August 2013. The anomaly meant that, whilst all the current 2011 Census OA codes were unique, they did not always run in sequential order by council area. We decided to replace the codes with new ones that start at S00088956 and end with S00135306. Correction to 2011 Output Area boundaries (7 October 2013) Ten boundaries have been added to the dataset following amendments in line with the cosmetic exercise/spatial improvement described earlier
A 2001 Standard (ST) ward is one of 2 special wards created for 2001 Census Output. These are both created by aggregating output areas and are only best-fit for electoral wards. Where 2001 Census Area Statistic (CAS) wards fall below the ST thresholds (400 households and 1,000 persons) they are merged with neighbouring CAS wards to exceed the threshold. It is also necessary to make a few adjustments to ST wards so as to remove and ‘slivers’ below ST threshold created by differencing ST wards and ST sectors. The processes result in 1,176 ST wards.
This is the set of postcode boundaries used for 2001 census outputs. The postcode boundaries for census were originally frozen in January 2001 for the purposes of producing census outputs. The dataset contains 139,045 postcode polygons.
A 2001 Standard (ST) sector is one of 2 special postcode sectors created for 2001 Census Output. A postcode sector comprises all the unit postcodes that have the same identifier except for the last two characters. Special postcode sectors are created for census output to ensure sectors conform to a minimum threshold and do not cross Council Area boundaries. ST sectors have a minimum threshold of 400 households and 100 persons. There are 859 ST sectors.
This dataset contains grid references for the 2011 frozen postcode boundaries. Each individual postcode polygon holds a grid reference. Grid references have been assigned by NRS, choosing the building nearest to the centre of the most populous part of the postcode, or the grid reference is from Gridlink®.
National Records of Scotland (NRS) create and maintain digital locality boundaries to support the creation of statistics for geographies that generally describe the urban areas of Scotland. Localities have a minimum rounded population of 500 people or more and generally correspond with the more recognisable towns and cities of Scotland. Localities nest within NRS Settlements geography, with every settlement having at least one locality (i.e. the Locality is the Settlement). Current Locality boundaries are reflective of mid-2016 populations, having been created using an amended version of postcodes from the Scottish Postcode Directory (SPD) 2016, release 2. Older versions of Settlements and Localities geographies are available from the NRS website.
This dataset shows the 2001 Census Output Areas (OAs) Household Weighted Centroids. An individual Output Area generally covers a sufficiently small area (subject to meeting minimum population / household counts) so that user defined or ad-hoc areas can be created while maintaining a sufficient level of quality. National Records of Scotland (NRS) produces only one set of OAs and creates all other output geographies using the OA as the building brick. Each OA is assigned to an area in a higher geography by first selecting one of the postcodes in the OA as a ‘master’ postcode. The OA inherits all of the characteristics of the master postcode including its assignments to higher areas and its grid reference. The master postcode was selected using an algorithm which calculates the postcode centroid within an OA which has grid references closest to the household-weighted centre of the OA.
National Records of Scotland (NRS) create and maintain digital settlement geographies to support the creation of statistics for areas that generally describe the urban or built up areas of Scotland. NRS define a settlement as a collection of contiguous high density postcodes, bounded by low density postcodes (or water), with a population of 500 or more. This dataset represents the population weighted centroids for each settlement. Current Settlement geographies are reflective of mid-2016 populations, having been created using an amended version of postcodes from the Scottish Postcode Directory (SPD) 2016, release 2. Older versions of Settlements and Localities geographies are available from the NRS website.