June 2024
Intermediate to advanced
200 pages
4h 46m
Japanese
Content preview from Python2年生 データ分析のしくみ 第2版 体験してわかる！会話でまなべる！
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187
LESSON
23
23
LESSON
日本では菖蒲とも書くアヤメ（漢字は同じでも菖蒲（ショウブ）とは違い
ます）。データ分析ではよく利用されるデータセットなんですよ。
アヤメのデータを
見てみよう
昔、イギリスの学者のロナルド・フィッシャーさんが、アヤメの論文を
発表したんだけれど、そのデータが機械学習のサンプルデータとして
よく使われてるんだ。そのデータはライブラリの中に入っているので、
すぐに使えるんだよ。
機械学習の
scikit-learn
ライブラリには、「アヤメの品種」や「ボスト
ンの住宅価格」「ワインの種類」「 手書きの数字」などが入っている。
seaborn
ライブラリには「アヤメの品種」や「レストランのチップの
金額」「タイタニック号の生存者」「 飛行機の乗客数」などが入ってい
るんだ。
ライブラリにサンプルデータが用意されてるなんて便利だね。どんな
データが入ってるの？
どうしてアヤメなの？
あ！「アヤメの品種」はどっちにも入ってるんだね。
もう少し複雑なデータを使ってみようか。機械学習でよく使われてい
る「 アヤメの品種」のデータだよ。
Chapter
6
188
コスモスやタンポポなど、普通の花の付け根には小さい緑色の葉のようなものが付いて
います。これを「がく」といって、主に花びらを支える役割を持っています。これは実に ...
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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.