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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30
2 章 分布
2.12
用語集
分布（
distribution
）
標本に現われる値とその度数。
ヒストグラム（
histogram
）
値から度数への対応付け、あるいはその対応を示すグラフ。
度数（
frequency
）
標本中に現れる値の個数。
最頻値、モード（
mode
）
標本中で最も度数の高い値、または値の
1
つ。
正規分布（
normal distribution
）
釣り鐘型の分布の理想型。ガウス（
Gaussian
）分布とも言う。
一様分布（
uniform distribution
）
すべての値の度数が等しい分布。
裾（
tail
）
分布の値の上または下の端の部分。
中心傾向（
central tendency
）
標本や集団の特徴の
1
つ。具体的には平均値や代表値のこと。
外れ値（
outlier
）
中心傾向から外れた値のこと。
散らばり（
spread
）
分布において、値がどれだけばらついているかを示す尺度。
要約統計量（
summary statistic
）
分布の特徴を、中心傾向や散らばりのように、定量化する統計量。
分散（
variance
）
散らばりを定量化するためによく使われる要約統計量。
31
31
2.12 用語集
標準偏差（
standard deviation
）
分散の平方根で、散らばり具合の尺度としても使われる。
効果量（
effect ...
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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.