August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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1
前言
数据无处不在，但对于大多数人来说，基于以下这些原因，导致数据基本上无法使用：
•
有些数据被储存在数据库里，并隐藏在编程语言的背后，而大多数人都没学过
这类语言。
•
有些数据暗藏在个人计算机上，远离了那些可能发现它有用的人。
•
有些数据存储时所用的格式，只有创建它的系统开发者才能读懂。
那么，你为什么要关心这些呢？坦率地说，这些数据里蕴含着答案，能解答你所提
出的问题，甚至包括你尚未提出的问题。自助式数据准备是一种技能，它将让我们
重新认识所分析的那些数据，减少完成数据分析项目所需的时间，并从根本上提高
数据分析质量。
本书旨在掌握如何使用市场上最直观的工具之一——
Tableau Prep Builder
来访问
这些数据，并将其转化为有价值的信息，以回答上述问题。
Tableau Prep Builder
于
2018
年
4
月发布，用于支持
Tableau Desktop
、
Tableau Server
和
Tableau Online
的用户，它使你能够将凌乱的数据变成可以在
Tableau
软件中进行分析的格式。
Tableau Desktop
、
Tableau Server
和
Tableau Online
是让数据变得易于探究和可视化
分析的软件平台。
在此之前，从源系统到提供有洞察力的数据分析的过程中，
Tableau
的主要难点在于
需要将数据处理成易于使用的格式。
Tableau
和大多数
BI
（
Business Intelligence
，
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.
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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.