August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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324
｜
第
35
章
这两个流程最终又连接在一起，形成如图
35-14
所示的流程结束时团队记录的一个
整体视图。使用概况窗格可以看到哪些字段是必须的而哪些不是，并通过省略号菜
单（…）删除它们。图
35-17
展示了所得到的数据集。
图
35
-
17
：从流程的这一分支中得到的数据集
为了练习本章所讲的内容，为什么不自己去尝试挑战一下呢？我不会在这里完成整
个挑战，也不会展示所有的步骤，但这应该能作为你挑战的开始。
35.6
小结
能够迭代你的数据处理方法是一项强大的数据准备技能，因为经常会出现在最初的
方法中没有发现的数据清理问题，或者第一个解决方案没有达到预期效果的情况。
享受数据准备的挑战，归根结底是能够专注于解决问题。如果把大的挑战分解成更
容易管理的多个小块，那就容易多了。
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