August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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316
｜
第
35
章
图
35
-
1
：Preppin
’
Data
2020
：第
3
周挑战赛
正如第
3
章所讲的那样，培养对输入和输出的理解将有助于你对任务有一个总体的
了解。在大型、复杂的挑战中，规划变得尤为重要，以确保你正朝着预期的结果努力。
35.2
从哪里开始
图
35-2
展示了挑战赛月度输入数据之一的前几行，展示了数据集的结构。
图
35
-
2
：NBA 挑战赛的输入数据集样本
要想知道从哪里开始，重要的是要考虑数据集需要什么。由于这是一项
Preppin
’
Data
的挑战，前面已经为你详细介绍过了（见图
35-3
）。
｜
317
挑战复杂的数据准备场景
图
35
-
3
：NBA 挑战赛想要的排名数据
这是我应对本次挑战的初步草图（见图
35-4
）。
图
35
-
4
：解决挑战的草图
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