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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| data_mining:xgboost [2019/05/03 00:52] – [XGBoost] phreazer | data_mining:xgboost [2019/05/03 01:09] – phreazer | ||
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| \hat{y}_i = \sum^K_{k=1} f_k(x_i), f_k \in F | \hat{y}_i = \sum^K_{k=1} f_k(x_i), f_k \in F | ||
| $$ | $$ | ||
| + | |||
| + | # Gradient boosting | ||
| $F$ is space of functions containing all regression trees | $F$ is space of functions containing all regression trees | ||