Definition: Grouping/Degrouping

Category: Classifications

In a hierarchical or tree structure classification, categories are grouped ranging from broad to detailed levels for each set. The categories within each set can be grouped (aggregated) or degrouped (disaggregated). https://ec.europa.eu/eurostat/ramon/coded_files/UN_glossary_of_classification_terms_short.pdf
Source:
United Nations, "UN Glossary of Classifications Terms", Short version approved by the Expert Group on International Economic and Social Classifications as a working document (+/- 2015)
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