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Description.html
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head>
<meta charset="utf-8">
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<title>MyTeaching - 描述性分析</title>
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<a class="nav-link" href="./AI.html" rel="" target="">
<span class="menu-text">AI助攻</span></a>
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<span class="menu-text">描述性分析</span></a>
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<a class="nav-link" href="./Causality.html" rel="" target="">
<span class="menu-text">診斷性分析</span></a>
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<li><a href="#描述性分析-descriptive-analytics" id="toc-描述性分析-descriptive-analytics" class="nav-link active" data-scroll-target="#描述性分析-descriptive-analytics">描述性分析 (Descriptive Analytics)</a></li>
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<h1 class="title">描述性分析</h1>
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</div>
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<section id="描述性分析-descriptive-analytics" class="level2">
<h2 class="anchored" data-anchor-id="描述性分析-descriptive-analytics">描述性分析 (Descriptive Analytics)</h2>
<p><strong>描述性分析是了解過去。</strong></p>
<ul>
<li><strong>目標</strong>：提供過去資料的摘要與洞察，回答「發生了什麼？」。</li>
<li><strong>應用</strong>：
<ul>
<li>報表、儀表板設計</li>
<li>關鍵績效指標 (KPIs) 的追蹤</li>
</ul></li>
<li><strong>技術</strong>：
<ul>
<li>資料彙總 (如平均值、總和、比例等)</li>
<li>資料視覺化 (如柱狀圖、折線圖)</li>
</ul></li>
<li><strong>範例</strong>：公司年度銷售報告顯示某區域的銷售額上升。</li>
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