d="cb12-6"><a href="#cb12-6" aria-hidden="true" tabindex="-1"></a>  <span class="fu">mutate</span>(누적상대도수 <span class="ot">=</span> <span class="fu">cumsum</span>(상대도수))</span></code><button title="클립보드 복사" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<pre><code>           권역 도수 누적도수 상대도수 누적상대도수
1     Northeast    9        9     0.18         0.18
2         South   16       25 