October 2014
Intermediate to advanced
288 pages
6h 27m
Japanese
Content preview from 実践 機械学習システム
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.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.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.
110
5
章 クラス分類：悪い回答を判別する
図5-13
5.9
完成！
この分類器を私たちのWebサイトに組み込みたいと仮定します。この回答判別サービスを開始する
たびに、分類器の訓練を行うことは決して望まれることではないでしょう（それには時間がかかり過ぎ
ます）。その代わりに、訓練を行った後に分類器をシリアライズ
†
して、サイト上でデシリアライズする
ことができます。
>>>
import pickle
>>>
pickle.dump(clf, open("logreg.dat", "w"))
>>>
clf = pickle.load(open("logreg.dat", "r"))
† 訳注：「シリアライズ」とは、ソフトウェア内部で扱っているデータをファイルに保存することです。「デシリアライズ」
とは、その逆に、ソフトウェアで扱えるようにするために、ファイルを読み込みデータ形式を復元することです。
LogReg C=0.10における各特徴量の重要度
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.