March 2026
Intermediate
384 pages
6h 40m
Japanese
Content preview from UX for Business ―デジタル変革時代のビジネスデザイン手法
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.
ユーザー数が多いほど、予測は確かに
ユーザーが増えるとデータは複雑さを増すとお思いかもしれないが、実際はそうはならな
い。
データ上でメニュー項目がクリック数の多い順に1、3、2、5、4となっていたとする。ユー
ザー数が 10 人だとしたら、結論を出すのは早計だ。たった10 人 のうち の 1 人が毎日 3と
5をクリックして い る だ け か もし れ な い か ら だ 。
ユーザーが 少ない ＝ データの信頼性が低い。気持ちの上でも統計の上でも。
しかし、1,000 万人のユーザーがいれば、ある人が毎日、一日中 3と5をクリックして も 、
問題ない。 残りの 9, 999, 999 人の行動の中に埋もれるだろう。データは予想通り1、2、
3、4、5 の 順となるか 、 ある い は もし 1、3、2、5、4 の順となっていたら、それが実際
の人気順であると自信を持てる。
ユーザーの 多さは、ニッチなユースケースが増えるということでもあるが、それについて
は後ほど触れる。
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.