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Explanatory Text


Statistical Classification



A Statistical Classification is a set of Categories which may be assigned to one or more variables registered in statistical surveys or administrative files, and used in the production and dissemination of statistics. The Categories at each Level of the classification structure must be mutually exclusive and jointly exhaustive of all objects/units in the population of interest.

The Categories are defined with reference to one or more characteristics of a particular population of units of observation. A Statistical Classification may have a flat, linear structure or may be hierarchically structured, such that all Categories at lower Levels are sub-Categories of Categories at the next Level up. Categories in Statistical Classifications are represented in the information model as Classification Items.




NameDescriptionCardinalityValue Domain
NameA Statistical Classification has a name as provided by the owner or maintenance unit.1..1 Textual
IntroductionThe introduction provides a detailed description of the Statistical Classification, the background for its creation, the classification variable and objects/units classified, classification rules etc.0..1Textual 





Release dateDate on which the Statistical Classification was released.0..1 Date 
Termination dateDate on which the Statistical Classification was superseded by a successor version or otherwise ceased to be valid.0..1 Date 
CurrentIndicates whether or not the Statistical Classification is currently valid.0..1 Textual 
Maintenance unitThe unit or group of persons within the organisation who are responsible for the Statistical Classification (i.e, for maintaining, updating and changing it).0..1 Textual
Contact personsPerson(s) who may be contacted for additional information about the Statistical Classification.0..n Textual 
Legal baseIndicates that the Statistical Classification is covered by a legal act or by some other formal agreement.0..n Textual
Publications Publications A list of the publications, including print, PDF, HTML and other electronic formats, in which the Statistical Classification has been published.0..n Textual 
Name types types A list of the defined types of alternative item names available for the Statistical Classification. Each name type refers to a list of alternative item names.0..n Textual 
Languages available available A Statistical Classification can exist in one or several languages. Indicates the languages available, whether the version is completely or partially translated, and which part is available in which language.0..n Textual 
Copyright Copyright Statistical Classifications may have restricted copyrights. Such Statistical Classifications might be excluded from downloading. Notes the copyright statement that should be displayed in official publications to indicate the copyright owner.0..n Textual 
Dissemination allowed allowed Indicates whether or not the Statistical Classification may be published or otherwise disseminated (e.g. electronic dissemination).0..1 Textual 
VersionIndicates if the Statistical Classification is a version.0..1 Textual 
Update Update Indicates if the Statistical Classification is an update.0..1 Textual 
Floating Floating Indicates if the Statistical Classification is a floating classification. In a floating statistical classification, a validity period should be defined for all Classification Items which will allow the display of the item structure and content at different points of time.0..1 Textual 
PredecessorFor those Statistical Classifications that are versions or updates, notes the preceding Statistical Classification of which the actual Statistical Classification is the successor.0..1 Textual 
Successor Successor Notes the Statistical Classification that superceded the actual Statistical Classification.0..1 Textual 
Changes from previous version or update update A summary description of the nature and content of changes from the preceding version or update. Specific changes are recorded in the Classification Item object under the “Changes from previous version and updates” attribute.0..n Textual 
Derived from from A Statistical Classification can be derived from one of the classification versions of another Classification Series. The derived Statistical Classification can either inherit the structure of the classification version from which it is derived, usually adding more detail, or use a large part of its Classification Items, rearranging them in a different structure. Indicates the classification version from which the actual Statistical Classification is derived.0..1 Textual 
Updates possible possible Indicates whether or not updates are allowed within the classification version i.e. without leading to a new version. Indicate here what structural changes, if any, are permissable within a version. Note whether Classification Items can be added to the structure and whether they can be revalidated or invalidated. Such changes are more likely to be permissable in floating classifications. Also indicate whether changes to such things as Classification Item names and explanatory notes that do not involve structural changes are permissible within a version.0..1 Textual 
Updates Updates Summary description of changes which have occurred since the most recent classification version or classification update came into force.0..n Textual 
Variants availableIdentifies any variants associated with this version.0..1Textual 
Variant Variant For those Statistical Classifications that are variants, notes the Statistical Classification on which it is based and any subsequent versions of that Statistical Classification to which it is also applicable.0..1 Textual 
Changes from base Statistical ClassificationDescribes the relationship between the variant and its base Statistical Classification, including regroupings, aggregations added and extensions.0..n Textual 
Purpose of variant variant If the Statistical Classification is a variant, notes the specific purpose for which it was developed.0..1 Textual