Porovnať metódy
Prezrite si vybrané metódy vedľa seba; riadky, ktoré sa líšia, sú zvýraznené.
| Online Gaussov model zmesi× | Zhlukovanie K-means× | |
|---|---|---|
| Odbor | Strojové učenie | Strojové učenie |
| Rodina | Machine learning | Machine learning |
| Rok vzniku≠ | 2000–2009 | 1967 (formalized 1982) |
| Tvorca≠ | Cappé, O. & Moulines, E. (online EM formulation) | MacQueen, J. B.; Lloyd, S. P. |
| Typ≠ | Probabilistic clustering / density estimation (incremental) | Partitional clustering |
| Pôvodný zdroj≠ | Cappé, O. & Moulines, E. (2009). On-line expectation-maximization algorithm for latent data models. Journal of the Royal Statistical Society: Series B, 71(3), 593–613. DOI ↗ | Lloyd, S. P. (1982). Least squares quantization in PCM. IEEE Transactions on Information Theory, 28(2), 129–137. DOI ↗ |
| Ďalšie názvy | Online GMM, Incremental GMM, Streaming Gaussian Mixture Model, Sequential GMM | k-means clustering, Lloyd's algorithm, k-means partitioning, hard k-means |
| Príbuzné≠ | 5 | 4 |
| Zhrnutie≠ | Online Gaussian Mixture Model adapts the classic GMM to streaming or large-scale data by replacing full-batch EM with incremental updates — processing one observation or mini-batch at a time and continuously refining component means, covariances, and mixing weights without revisiting the entire dataset. | K-means is a classic unsupervised partitional clustering algorithm that divides a dataset into K non-overlapping groups by iteratively assigning each observation to its nearest centroid and updating centroids as the mean of their assigned points. It is one of the most widely used exploratory tools in machine learning and data analysis. |
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