March 2019
Intermediate to advanced
256 pages
4h 57m
French
Content preview from Machine learning : les fondamentauxBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CHAPITRE 10 Classification
La classification est un processus d’apprentissage supervisé qui consiste à attribuer des labels (étiquettes) à des échantillons en se basant sur les caractéristiques. Dans cette approche supervisée, le but est que l’algorithme apprenne à exploiter les labels dans une classification ou les valeurs numériques dans une régression.
Nous allons faire un tour d’horizon des différents modèles de classification les plus usités. Pratiquement tous sont disponibles dans la librairie sklearn. Nous en verrons d’autres qui n’en font pas partie, mais les librairies correspondantes ont pris soin de conserver la même interface de programmation API. Il devient ainsi facile de tester plusieurs familles de modèles pour en comparer les performances. ...
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