September 2014
Intermediate to advanced
236 pages
4h 17m
Japanese
Content preview from Think Bayes ―プログラマのためのベイズ統計入門
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.
60
■
6
章
決定分析
3.
事後確率分布に基づいて、出場者はどう回答すべきだろうか。
3
番目の問いは、ベイズ分析の広く用いられる使い方、決定分析を表している。事後
確率分布が与えられれば、出場者の期待値を最大にする回答を選ぶことができる。
この問題は、
Cameron Davidson-Pilon
の本［
Davidson-Pilon 13
］の例からヒントを
得た。本章掲載のコードは、
http://thinkbayes.com/price.py
から入手できる。事前に
ダウンロード可能なデータファイル
http://thinkbayes.com/showcases.2011.csv
と
http://
thinkbayes.com/showcases.2012.csv
を読み込む必要がある。詳細については、まえが
きの「コードについて」（
ix
ページ）を参照のこと。
6.2
事前確率
値段の事前確率分布を選ぶ際に、以前のゲームのデータを利用することができる。
幸運なことに、ショーのファンが詳細な記録をとっている。
Davidson-Pilon
に本につい
て問い合わせると、
http://tpirsummaries.8m.com
にある
Steve Gee
の収集データを送っ
ショーケース 1
ショーケース 2
値 段（ $ ）
図 6-1 ザ・プライス・イズ・ライトの 2011-2012 のショーケースの値段の分布
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.