August 2015
Intermediate to advanced
272 pages
5h 46m
Japanese
Content preview from Think Stats 第2版 ―プログラマのための統計入門
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75
75
5.9 用語集
ルがある。各々は、解析分布から生成された乱数列を含む。
さらに、ファイルからデータを読み込んで
CDF
をさまざまに変換してプロットす
るスクリプト
test_models.py
がある。実行は次のようにする。
$ python test_models.py mystery0.dat
こういったプロットから、各ファイルがどの分布から生成されたか推論できるはず
だ。困ってしまうようなら、ファイルを生成したコードが含まれている
mystery.py
を見なさい。
演習問題
5-6
富と収入の分布は、対数正規とパレート分布を使ってモデル化されることがある。
どちらがより良いか調べるために、データを見てみよう。
人口動態調査（
Current Population Survey
、
CPS
）は、米国労働統計局と国勢調
査局とが協働して収入と関連する変数を調査しているものである。
2013
年にまと
められたデータは
http://www.census.gov/hhes/www/cpstables/032013/hhinc/
toc.htm
から得られる。
hinc06.xls
にダウンロードしてあるが、これは、家計収入
についての
Excel
のスプレッドシートで、本書のリポジトリにある
CSV
ファイル
hinc06.csv
に変換してある。このファイルを読み込んでデータを変換する
hinc2.py
もある。
このデータセットから収入の分布を抽出しなさい。本章の解析分布でデータの良い
モデルになるものがあるだろうか。この問題の解は
hinc_soln.py ...
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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.