April 2025
Intermediate
240 pages
6h 56m
Japanese
Content preview from AI開発力を鍛える！機械学習と最適化による問題解決講座
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2.
3.
0.
1.
027
1.1
因果なし
因果あり
図 1.1.5 曜日と製品歩留まりとの因果のありなし
パラメータが 制 御できるか できない かで
何 が 変 わるの か？
関数設定における、
と
の関係をさらに深く考えてみましょう。ここでは、パ
ラメータを制御できるかどうかを考えます。
表 1.1.1 は、気温とアイスクリーム
の売り上げの関係を、因果関係か相関関係か、パラメータ
が制御できるかどう
かを整理した表です。相関関係とは、片方が増えればもう片方も増える（正の相
関）もしくは片方が増えればもう片方は減る（負の相関）という関係を表す言葉
で、変数間に因果は必要ありません。上で述べたアイスクリームの売り上げを
、
気温を
とした関係は相関関係でした。
因果関係あり
まず、因果関係ありから見ていきましょう。アイスクリームの売り上げの例で
は、因果関係ありは、気温が
、アイスクリームの売り上げが
でした。ですので、
パラメータ
である気温が制御できるかどうかを考えます。制御できるとは、私
1.1.3
028
0
1
2
3
1
たちがその値をコントロールして決められる、という意味です。毎日の気温の変
化は地球の大規模な大気の動きによるものですので、私たちにはとてもではあり ...
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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.