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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17
データ分析を行うときに、便利な手順はいくつかあります。その中の、実用的で誰でも使
いやすい「
PPDACサイクル」を見てみましょう。小学校の教科書にも載っている方法です。
02
LESSON
データ分析の手順の中で、わかりやすくて使いやすい「PPDAC サイクル」
について見てみましょう。
データ分析の手順：
PPDAC
サイクル
手順？
データ分析に は「 手順」があるんだよ。
いきなり適当なデータを持ってきて分析しても、いい結果が出ないこと
は予想できるよね。
うん。ちゃんと考えないといけないんだろうなあとは思うよ。でも、
どうすればいいかよくわからないよ。
それはうれしい。よくわかってないわたしにこそ必要だね。
そういうときに、手順は便利なんだ。手順にしたがって少しずつ考えて
いくことで、分析ができてくるんだ。
Chapter
1
18
① Problem［問題の把握］
②
Plan［調査の計画］
③
Data［データの収集］
④
Analysis［データの分析］
⑤
Conclusion［結論を考える］
PPDAC サイクル
以下の5つの手順で進めていきます。
1. Problem［問題の把握］：なぜ分析をするのか？
最初に、「何が問題で、何のためにデータ分析するのか」をはっきりさせます。問題があ
いまいなまま、データ分析を行っても、あいまいな結果しか出てこないですからね。 ...
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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.