November 2019
Intermediate to advanced
320 pages
13h 35m
French
Content preview from Machine Learning avec Scikit-Learn
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6.2 Effectuer des prédictions
169
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6.2 EFFECTUER DES PRÉDICTIONS
Voyons comment l’arbre représenté à la gure 6.1 effectue des prédictions. Supposons
que vous ayez trouvé une eur d’iris et que vous vouliez la classer. Vous commencez
par le nœud racine (profondeur 0, en haut): ce nœud demande si la longueur du
pétale de la eur est inférieure à 2,45cm. Si c’est le cas, vous descendez vers le nœud
inférieur gauche (profondeur 1, gauche). Dans ce cas, il s’agit d’un nœud terminal
(ou feuille), c’est-à-dire sans nœuds ls, il ne pose donc aucune question: il ne vous
reste plus qu’à regarder ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.