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| 결정 계수(R²)× | 베이즈 정보 기준 (Bayesian Information Criterion, BIC)× | |
|---|---|---|
| 분야 | 모델 평가 | 모델 평가 |
| 계열 | MCDM | MCDM |
| 기원 연도≠ | 1896 | 1978 |
| 창시자≠ | Karl Pearson | Gideon E. Schwarz |
| 유형≠ | Goodness-of-fit metric | Bayesian model selection metric |
| 원전≠ | 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 ↗ |
| 별칭 | R², coefficient of determination, r2 score | BIC, Schwarz criterion, Schwarz information criterion |
| 관련≠ | 5 | 4 |
| 요약≠ | 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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