August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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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.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.
2
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前言
商业智能）工具一样，要求数据是“干净的”，并被编排成行和列。许多分析人员
习惯于自己承担这项手工工作，因此需要将这项任务自动化，将宝贵的时间花在实
际的数据分析过程中。
Tableau Prep Builder
允许用户轻松地清理、处理和输出所准备好的待分析的数据集。
不仅如此，
Tableau
还在软件中嵌入了许多可视化的分析方法，因此用户往往可以在
Prep Builder
中找到问题的答案，而根本不需要导出数据。
我为什么要写这本书
如果
Tableau Prep
中的一切都如此直观，为什么需要通过这本书来学习如何使用它
呢？简单地说，使用该工具只是完成数据准备任务的一部分。其他部分还包括：
•
了解为什么要准备数据。
•
连接到你需要的所有数据。
•
了解不同的数据类型对所要执行的数据清理操作的影响。
•
分解数据准备任务的过程以适应整体规划。
•
确保在数据清理和处理过程中可进行适当的调整。
•
合并多个数据集。
•
决定如何以及在哪里输出数据结果。
与所有的软件一样，学习如何使用每个功能都需要一定时间，因此本书充满了较复杂
的技术性截图和操作过程。这里分享的很多知识将帮助你在任何数据准备工具中完成
自己的数据准备项目。这些技术将使你有能力处理以前无法接触到的数据集。这就是
我写这本书的原因：让你有能力利用现有数据或者更多的数据来改善你的决策。
在我的职业生涯中，我一直同时处于数据准备周期的两端：作为数据接收者和输出
数据的提供者。作为数据接收者，我常常对获得所需信息要花费那么多时间而感到
沮丧。我收到的信息往往不是我所需要的形式 ...
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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.