Clustering analysis Machine Learning
noun phrase
Definition: A set of exploratory unsupervised data analysis methods used to detect structure in data by organizing instances into groups whose members are more similar to one another than to members of other groups [Bunge, Judson 2005].
Example in context: “This study employs K-means clustering analysis to group elements based on their shared physicochemical properties, aiming to identify non-linear relationships …” [Consuegra-Jiménez et al. 2025]
Synonyms: cluster analysis; data clustering (near-synonym in many ML contexts)
Related terms: clustering; unsupervised learning; similarity measure; Euclidean distance; hierarchical clustering; partitioning methods