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| R-négyzet (R²)× | Bayes-információs kritérium (BIC)× | |
|---|---|---|
| Tudományterület | Modellértékelés | Modellértékelés |
| Módszercsalád | MCDM | MCDM |
| Keletkezés éve≠ | 1896 | 1978 |
| Megalkotó≠ | Karl Pearson | Gideon E. Schwarz |
| Típus≠ | Goodness-of-fit metric | Bayesian model selection metric |
| Alapmű≠ | Pearson, K. (1896). Mathematical contributions to the theory of evolution. Philosophical Transactions of the Royal Society A, 187, 253-318. link ↗ | Schwarz, G. (1978). Estimating the dimension of a model. Annals of Statistics, 6(2), 461-464. DOI ↗ |
| Alternatív nevek | R², coefficient of determination, r2 score | BIC, Schwarz criterion, Schwarz information criterion |
| Kapcsolódó≠ | 5 | 4 |
| Összefoglaló≠ | The coefficient of determination, denoted R², measures the proportion of variance in the dependent variable explained by the independent variables in a regression model. Introduced by Karl Pearson in the late 19th century, R² is one of the most widely used metrics for assessing how well a model fits observed data. | The Bayesian Information Criterion is an information-theoretic model selection criterion that approximates Bayesian model comparison. Introduced by Gideon Schwarz in 1978, BIC penalizes model complexity more heavily than AIC by using a sample-size-dependent penalty, making it particularly suitable for identifying the true underlying model structure. |
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