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| Klaster analiza× | Моделирање мешавина× | |
|---|---|---|
| Oblast | Statistika | Statistika |
| Porodica | Latent structure | Latent structure |
| Godina nastanka≠ | 1939–1967 | 1894 |
| Tvorac≠ | Robert C. Tryon (early development); Ward (1963) for hierarchical; MacQueen (1967) for k-means | Karl Pearson |
| Tip≠ | Unsupervised classification / grouping | Latent variable / density estimation |
| Temeljni izvor≠ | Everitt, B. S., Landau, S., Leese, M. & Stahl, D. (2011). Cluster Analysis (5th ed.). Wiley. ISBN: 978-0470749913 | McLachlan, G. J. & Peel, D. (2000). Finite Mixture Models. Wiley-Interscience. ISBN: 978-0471006268 |
| Drugi nazivi | clustering, unsupervised classification, data clustering, numerical taxonomy | finite mixture model, mixture distribution model, FMM, model-based clustering |
| Srodne≠ | 5 | 6 |
| Sažetak≠ | Cluster analysis is a family of unsupervised multivariate techniques that partition a set of objects or observations into internally homogeneous, mutually distinct groups — clusters — based on measured characteristics, without any prior knowledge of group membership. It is widely used in market segmentation, bioinformatics, psychology, and social science to reveal natural groupings in data. | Mixture modeling assumes that a population is composed of K unobserved subpopulations, each described by its own probability distribution. The observed data are treated as draws from a weighted combination of these component distributions. It provides a principled, model-based alternative to ad hoc clustering and supports formal comparison of solutions with different numbers of components. |
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