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| Gradient Boosting× | OLS-regressio (Ordinary Least Squares)× | |
|---|---|---|
| Tieteenala≠ | Koneoppiminen | Ekonometria |
| Menetelmäperhe≠ | Machine learning | Regression model |
| Syntyvuosi≠ | 2001 | 2019 |
| Kehittäjä≠ | Friedman, J. H. | Wooldridge (textbook treatment); classical least squares |
| Tyyppi≠ | Ensemble (sequential boosting of decision trees) | Linear regression |
| Alkuperäislähde≠ | Friedman, J. H. (2001). Greedy Function Approximation: A Gradient Boosting Machine. Annals of Statistics, 29(5), 1189–1232. DOI ↗ | Wooldridge, J. M. (2019). Introductory Econometrics: A Modern Approach (7th ed.). Cengage Learning. ISBN: 978-1337558860 |
| Rinnakkaisnimet | Gradient Boosting (GBM), GBM, gradient boosted trees, gradient boosting machine | ordinary least squares, classical linear regression, linear regression, en küçük kareler regresyonu |
| Liittyvät | 5 | 5 |
| Tiivistelmä≠ | Gradient Boosting is an ensemble learning method, formalised by Jerome H. Friedman in 2001, that combines a sequence of weak learners — typically shallow decision trees — so that each new tree is fitted to minimise the residual errors of the trees before it. It is the core algorithm behind popular implementations such as XGBoost, LightGBM and CatBoost. | Ordinary Least Squares is the classical linear regression method that explains a continuous outcome as a linear combination of predictors. It estimates the coefficients by minimising the sum of squared residuals, and under the Gauss-Markov assumptions these estimates are the best linear unbiased estimator (BLUE). |
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