October 2014
Beginner to intermediate
452 pages
5h 43m
Japanese
Content preview from データサイエンス講義
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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.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.
5章ロジスティック回帰
この章はブライアン・デールサンドロ（Brian Dalessandro）によるものです。ブライアンはMedia6Degrees（M6D）†1でデータサイエンス部長として働いており、研究コミュニティでも活発に活動しています。また共同でKDDコンテストの議長も務めています。M6Dはオンライン広告を手がけるニューヨークのスタートアップ企業です。図5-1はブライアンのデーテサイエンスプロフィールです。y軸は下はピエロから上はロックスターまでで表されています。
[†1] 訳注：2013年9月にdstilleryに社名が変更されている。
図5-1 ブライアンのデータサイエンスプロフィール(図中の訳) ブライアン Dalessandro: Brian Dalessandro Rockstar: ロックスター Clown: ピエロ （以下は他のプロフィールと訳を合わせる） data viz: データ可視化 CS: 計算機科学 math: 数学 stats: 統計 ML: 機械学習 Domain expertise: 専門分野の知識 Communication: コミュニケーション
ブライアンはロジスティック回帰とその評価について話しに教室へ来ましたが、最初に話し始めたのは2つの思考実験についてでした。
5.1 思考実験
- 「すべての大統一理論」というものがあったとしたら、データサイエンスは現在とどう違うでしょう。この理論は、世界がどのように動いているかを記号的に説明するものだと捉えてください。この1つの問いが多くの他の問いを巻き起こします。 ...
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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.