August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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.
10
｜
第
1
章
这种状况随着
Tableau Desktop
等自助式数据可视化工具的兴起而发生了改变。随着
这些工具对用户的关注，一时之间，每个人都能够在屏幕周围拖放数据字段，形成
自己的数据分析，回答自己的问题，并立即以可视化的方式提出下一个问题，让他
们能与其他人分享他们的发现。
在过去的十年里，数据可视化和分析在整个组织中变得越来越重要，也成为许多角
色的重要组成部分，不再被认为只是
IT
或数据团队的领域。企业已经具备了数据分
析能力，而不是企业必须去请专家来访问和分析数据。这意味着我们的工作方式发
生了很大的转变，需要我们重新思考人们现在需要什么技能。
1.2
获取“正确的数据”
自助式数据可视化在个人角色中的兴起和巩固，使数据分析周期的需求和压力日益
凸显。数据分析周期包括：
1.
某人提出的问题。
2.
寻找可能有助于回答问题的数据来源。
3.
准备分析数据。
4.
分析数据。
5.
提出新问题或补充问题（回到步骤
1
）。
启用自助式数据分析需要开放数据源的访问权限，通常这是数据分析周期的痛点。
有了正确的数据，运用优化后的可视化分析工具，此时只要业务专家能形成问题，
我们就能找到答案。但获取“正确的数据”并不是那么容易的。组织所拥有的数据
资产是针对存储进行优化的，现在看来其优化对象是针对软件工具，而不是针对用
户，并且受到层级严格的安全监管，需要编写程序代码才能访问这些数据。
目前许多数据分析项目专注于从其存储位置提取数据。专家们专注于使用数据技能
来做这些事情：
•
在现有的存储库中找到数据，包括
Excel
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.