August 2022
Intermediate to advanced
200 pages
5h 16m
Japanese
Content preview from Python1年生 第2版 体験してわかる！会話でまなべる！プログラミングのしくみ
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.
Chapter
5
150
人工知能の準備
まずは、人工知能を作る準備をしましょう。人工知能もライブラリを追加することで作る
ことができます。必要なライブラリを用意しましょう。いろいろありますが、ここでは一番
簡単に使える「
scikit-learn（sklearn） 」（ サイキット・ラーン）を使います。scikit-learnは機械
学習のライブラリです。さらに、科学計算ライブラリの「
scipy」、数値計算ライブラリの
「
numpy」、グラフ表示のライブラリ「matplotlib」なども一緒にインストールします。
●
scikit-learn
：機械学習のライブラリ
たくさんの学習用の画像データを使って学習し、与えられた画像を見て答えを予測する
しくみが入っています。
URL：https://scikit-learn.org/stable/
●
scipy
：科学計算のライブラリ
scikit-learnが計算するときに使う計算処理が入っています。
URL：https://www.scipy.org/
●
numpy
：数値計算のライブラリ
いろいろな数値計算処理が入っています。画像データを数値リストに変換するときに使
います。
URL：https://www.numpy.org/
22
LESSON
人工知能を作るために使用する Python のライブラリをインストールしてい
きましょう。
人工知能を作る準備を
しよう
便利な仲間が
出てくるよ。
151
人工知能を作る準備をしよう
LESSON
22
●
matplotlib
：グラフ表示のライブラリ ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.