Chapitre 2. Un projet de Machine Learning de bout en bout
Avec le même genre de code, vous pouvez vérier ces mêmes proportions dans
le jeu de données complet. Le tableau 2.1 compare les proportions des différentes
catégories de revenus dans le jeu de données tout entier, dans le jeu de test généré
par échantillonnage stratié et dans le jeu de test généré par échantillonnage pure-
ment aléatoire. Comme vous pouvez le voir, le jeu de test généré par échantillonnage
stratié a des proportions de catégories de revenus à peu près identiques à celles du
jeu de données tout entier, tandis que le jeu de test généré par un échantillonnage
purement ...
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