November 2019
Intermediate to advanced
320 pages
13h 35m
French
Content preview from Machine Learning avec Scikit-Learn
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2.5 Préparer les données pour les algorithmes d’apprentissage automatique
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Transformateurs. Certains estimateurs (comme par exemple un imputer) peuvent
aussi transformer un jeu de données : on les appelle des transformateurs. Là encore,
l’API est simple : la transformation est effectuée par la méthode transform() à
laquelle on transmet en paramètre l’ensemble de données à transformer, et qui ren-
voie le jeu de données transformé. Cette transformation repose en général sur les
paramètres appris, comme c’est le cas pour un imputer. Tous les transformateurs
possèdent aussi une méthode de ...
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