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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| data_mining:gradient_boosting [2016/02/01 23:12] – [Warum boosting?] phreazer | data_mining:gradient_boosting [2017/07/19 20:31] – phreazer | ||
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| Beispiel (quadratischer Fehler): | Beispiel (quadratischer Fehler): | ||
| $$R = \frac{1}{n} \sum_{i=1}^n p(Y_i - f(X_i))^2$$ | $$R = \frac{1}{n} \sum_{i=1}^n p(Y_i - f(X_i))^2$$ | ||
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| + | ===== Basic idea ===== | ||
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| + | 1. Generate simple regression model. | ||
| + | 2. Compute error residual. | ||
| + | 3. Learn to predict residual | ||