《数据可视化分析》第2版-第6章解读 episode artwork

EPISODE · Jul 20, 2025 · 13 MIN

《数据可视化分析》第2版-第6章解读

from 喜乐君图书

第二篇 数据准备、可视化与交互设计本篇介绍业务分析的3个板块:数据准备、可视化图形、仪表板展现。数据准备的关键是逻辑模型,可视化图形的关键是字段类型与问题类型,仪表板展现的关键是交互。第4章 概论:数据合并与关系模型(Tableau/SQL)数据合并分类矩阵包含行级别的合并、聚合表的匹配,行级别的合并分为并集(Union)和连接(Join)两种类型;聚合表的匹配分为灵活的混合(Blend)和稳定的关系(Relationship)。理解数据模型的关键是理解物理层合并与逻辑层匹配的差异。第5章 可视化分析与探索从问题分类到可视化图形样式,结合了标记、坐标轴、参考线等完成增强分析的多种方法。其中,参考线是高级计算的“模型化”,是可视化分析与表计算的桥梁。第6章 Tableau/SQL筛选与集操作筛选类型多样、体系复杂。对比SQL的筛选语法,本书重新构建了Tableau筛选的分类体...去小宇宙查看完整单集简介前往小宇宙评论区与主播互动

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《数据可视化分析》第2版-第6章解读

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