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<h1>Identify important words</h1>
<div class="fragment">
<p>‚≠ê FREX</p>
<p>‚¨ÜÔ∏è LIFT</p>
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<section id="high-frex-words" class="slide level2" data-background-color="white">
<h2>High FREX words</h2>
<p>High frequency <em>and</em> high exclusivity</p>
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<div class="sourceCode cell-code" id="cb13"><pre class="sourceCode numberSource r number-lines cod