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Machine Learning avec Scikit-Learn
book

Machine Learning avec Scikit-Learn

by Aurélien Géron
November 2019
Intermediate to advanced
320 pages
13h 35m
French
Dunod
Content preview from Machine Learning avec Scikit-Learn
140
Chapitre 4. Entraînement de modèles
supérieure à 1,6cm, le classicateur prédira que la eur est un Iris virginica, sinon il prédira
que ce n’en est pas un (même s’il n’est pas vraiment sûr de cela):
>>> log_reg.predict([[1.7], [1.5]])
array([1, 0])
La gure 4.24 est une autre représentation graphique du même jeu de données,
obtenue cette fois-ci en croisant deux variables: la largeur des pétales et leur longueur.
Une fois entraîné, le classicateur de régression logistique peut estimer la probabilité
qu’une nouvelle eur soit un Iris virginica en se basant sur ces deux variables. La ligne
en pointillé représente les points où le modèle estime ...
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Publisher Resources

ISBN: 9782100797820