November 2019
Intermediate to advanced
320 pages
13h 35m
French
Content preview from Machine Learning avec Scikit-Learn
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7.6 Stacking
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l’entraînement. Cette technique est appelée boosting de gradient stochastique (en
anglais, stochastic gradient boosting).
Notez qu’il existe une implémentation optimisée du boosting de gradient dans la
bibliothèque Python bien connue XGBoost
106
(abréviation pour Extreme Gradient
Boosting). Cette bibliothèque a été développée initialement par Tianqi Chen dans
le cadre de la Distributed (Deep) Machine Learning Community (DMLC
107
), avec
l’objetif d’être extrêmement rapide, adaptable et portable. En pratique, XGBoost est
souvent une composante importante des projets gagnants dans ...
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