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.
｜
333
处理自由文本
完成五个步骤后的结果数据集如图
36-11
所示。
图
36
-
11
：完成本章各步骤的结果数据集
该数据集允许最终用户在
Notes
（注解）字段中查找常用的单词和术语，以帮助理
解所获得的反馈信息。图
36-12
展示了在
Tableau Desktop
中可视化的数据。
图
36
-
12
：Notes（注解）数据字段中的常用词
36.4
小结
使用自由文本来深入了解客户的意见和反馈，可能比数小时的数字运算带来的价值
更多，因此掌握本章中的技术可以大大节省时间，并提高你的分析能力。由于在自
334
｜
第
36
章
由文本字段中输入的可能值是多种多样的，因此清理产生的数据所涉及的步骤可能
相当多，但为了你将获得的分析效益，这种努力是非常值得的。
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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.