October 2017
Intermediate to advanced
480 pages
9h 49m
Japanese
Content preview from Rではじめるデータサイエンス
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377
21
章
R
マークダウン
21.1
はじめに
Rマークダウンは、コードとその結果、注釈の文章を組み合わせたデータサイエンスの統合オーサ
リングフレームワークを提供します。Rマークダウン文書は、印刷に適しており、PDF、ワード、ス
ライドショーを含めて数十のフォーマットをサポートしています。
Rマークダウンファイルは、次の3 つの使い方ができます。
●
意思決定者とのコミュニケーション。意思決定者は分析の背後にあるコードではなく、結論に興
味を持っている。
●
他のデータサイエンティスト（将来の読者自身を含めて）との協働。結論だけでなく、結論にど
う到達したか（すなわち、コード）にも着目している。
●
データサイエンスを行う環境、現代風の実験ノートとして、何を行ったかだけでなく、何を考え
ていたかも記述する。
Rマークダウンは、複数のR パッケージと外部ツールを統合しています。すなわち、
?
ではヘルプ
の得られないことがあり
ます。その代わりに、本章で学んだ後も R マークダウンを使うなら、次の資
料を手近に置いておくことを勧めます。
●
R マークダウン早わかり：RStudio IDEでHelp→ Cheatsheets→ R Markdown Cheat Sheet
●
R マークダウン参照ガイド：RStudio IDE で Help→ Cheatsheets→ R Markdown Reference
Guide
両方ともに https://www.rstudio.com/resources/
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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.