January 2020
Beginner to intermediate
728 pages
10h 26m
Japanese
Content preview from データサイエンス設計マニュアル
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56 3 章 データマンジング
図 3 -1 Jup
yter/IPython Notebook では、コード、計算結果、ドキュメントを 1 つにまとめることができ
る。
められるノートブックは、自分が行っていることとその理由を説明する手段として非常に強力だ。従
来のプログラミング環境にこれに匹敵するものはない。
今後の課題
デー
タサイエンスプロジェクトの構築と結果の報告のために Jupyter や Mathematica などのノー
トブック環境を使うこと。
3.1.2 標準的なデータ形式
データはあらゆる場所からやってくるため、形式もさまざまである。どのような形式が最も良いかは、最
終的に誰がデータを使うのかによって決まる。グラフは数値データの意味を伝えるためにはすばらしい方法
であり、本書でも第 6 章では、データを可視化するための技法を取り上げる。しかし、この種の画像は、計
算のために使うデータソースとしてはまったく使いものにならない。また、紙に印刷された地図と Google
マップの間には大きな差がある。
3.1 データサイエンスで使われるプログラミング言語 57
計算用データの最良の形式には、次のような優れた特徴がある。
• パースしやすい：使いやすい形式で書かれたデータは、どこか別の場所でも必ず再び使われる。洗練 ...
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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.