Porovnat metody
Prohlédněte si vybrané metody vedle sebe; řádky, které se liší, jsou zvýrazněny.
| Lineární diskriminační analýza (LDA× | Metoda K-nejbližších sousedů× | |
|---|---|---|
| Obor≠ | Statistika | Strojové učení |
| Rodina≠ | Hypothesis test | Machine learning |
| Rok vzniku≠ | 1936 | 1967 |
| Tvůrce≠ | Ronald A. Fisher | Cover, T.M. & Hart, P.E. |
| Typ≠ | Parametric linear classifier / dimensionality reduction | Instance-based (non-parametric) learning |
| Původní zdroj≠ | Fisher, R.A. (1936). The Use of Multiple Measurements in Taxonomic Problems. Annals of Eugenics, 7(2), 179–188. DOI ↗ | Cover, T.M. & Hart, P.E. (1967). Nearest Neighbor Pattern Classification. IEEE Transactions on Information Theory, 13(1), 21–27. DOI ↗ |
| Další názvy≠ | LDA, Fisher's LDA, Fisher's linear discriminant, discriminant function analysis | KNN, K-En Yakın Komşu (KNN), nearest neighbor classifier, instance-based learning |
| Příbuzné≠ | 7 | 5 |
| Shrnutí≠ | Linear Discriminant Analysis (LDA) is a parametric supervised classification method that finds the linear combination of continuous predictors that best separates two or more predefined groups. Introduced by Ronald A. Fisher in his landmark 1936 paper on taxonomic measurements, it simultaneously serves as a classifier and a dimensionality-reduction tool, and can be understood as the classification-oriented counterpart of MANOVA. | K-Nearest Neighbors (KNN), formalized by Cover and Hart in 1967, is a non-parametric, instance-based method that classifies or predicts a new observation by looking at the k closest examples in the training data. For classification it takes a majority vote among those neighbors; for regression it averages their values. |
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