Au chapitre 1, nous avons mentionné que les tâches d’apprentissage supervisé les plus
courantes étaient la régression (pour prédire des valeurs) et la classication (pour prédire
des classes). Au chapitre 2, nous avons exploré une tâche de régression, pour prédire des
prix immobiliers, en utilisant divers algorithmes tels que régression linéaire, arbre de
décision et forêt aléatoire (qui seront expliqués de manière plus détaillée dans les cha-
pitres suivants). Maintenant, nous allons nous intéresser aux systèmes de classication.
3.1 MNIST
Dans ce chapitre, nous allons utiliser le jeu de données MNIST qui est composé de
70000 petites ...
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