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数据集概览

数据集对分散、异构数据源中的数据进行一定的整合处理,形成一个可以用于数据分析和展示的模型。

数据集是在数据源基础上创建的,相比于数据源的多样性,数据集有自己的定义和规则,提供了统一的数据操作接口。

下图为创建数据集的思路和流程,本章将按此顺序为您详细讲述如何创建出符合实际需要的数据集。

image2021-5-20_11-12-30.png

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提示

图中虚线框部分为可选步骤,请您根据实际情况选用。