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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
26
Chapitre 1. Vue d’ensemble du Machine Learning
Exemples de biais d’échantillonnage
L’exemple le plus célèbre de biais d’échantillonnage est probablement celui de l’élec-
tion présidentielle américaine de 1936 qui opposait Landon à Roosevelt : le magazine
Literary Digest avait effectué un très large sondage d’opinion, en s’adressant par
courrier à plus de 10 millions de personnes. Il avait obtenu 2,4 millions de réponses
et prédit avec un indice de confiance élevé que Landon obtiendrait 57 % des votes.
Au lieu de cela, Roosevelt l’a emporté avec 62 % des votes. Le défaut résidait dans la
méthode d’échantillonnage adoptée par les sondeurs du ...
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Publisher Resources

ISBN: 9782100797820