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
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5.5
最大値
■
51
図5-1は、シミュレーションによって生成された近似値と数え上げによって計算され
た正確な値とを示す。
3 つの 6 面サイコロの和
サンプルから
正確な数え上げ
図 5-1 3 つの 6 面サイコロの目の和の近似及び正確な分布
Pmf.
__
add
__
は、各
Pmf
からのランダム選択が互いに独立であるという仮定に基づ
く。複数のサイコロを振るこの例では、この仮定は全く正しい。他の場合には、条件
付き確率を使うためにこの手法を拡張する必要がある。
本節のコードは、
http://thinkbayes.com/dungeons.py
からダウンロードできる。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。
5.5
最大値
Dungeons & Dragons
の人物を生成するとき、その最良の属性が気になるので、最
大値属性の分布を知りたいだろう
＊
1
。
＊
1
訳注：
Dungeons & Dragons
では、属性の良さは、値で決まるので、最良＝最大となる。
52
■
5
章
オッズと加数
最大値の分布を計算するには次の
3
つの方法がある。
シミュレーション
単一選択の分布を表す
Pmf
が与えられ、ランダムなサンプルを生成して、最大
値を探し、シミュレーションした最大値の分布を積み重 ...
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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.