{"term":{"id":"06950","title":"cluster analysis","longtitle":"IUPAC Gold Book - cluster analysis","doi":"10.1351\/goldbook.CT06950","code":"CT06950","status":"current","definitions":[{"id":1,"text":"Cluster analysis is the clustering, or grouping, of large data sets (e.g., chemical and\/or pharmacological data sets) on the basis of similarity criteria for appropriately scaled variables that represent the data of interest. Similarity criteria (distance based, associative, correlative, probabilistic) among the several clusters facilitate the recognition of patterns and reveal otherwise hidden structures.","links":[{"term":"Cluster","url":"https:\/\/goldbook.iupac.org\/terms\/view\/CT06769"}],"sources":["PAC, 1997, 69, 1137. 'Glossary of terms used in computational drug design (IUPAC Recommendations 1997)' on page 1140 (https:\/\/doi.org\/10.1351\/pac199769051137)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/CT06950\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/CT06950\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/CT06950\/plain"},"citation":"Citation: 'cluster analysis' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.CT06950","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-05-10T02:26:30+00:00"}}