downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">greater_10</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/ifelse.html" class="external-link">ifelse</a></span><span class="op">(</span><span class="va">fev</span><span class="op">$</span><span class="va">age</span> <span class="op">&gt;</span> <span class="fl">10</span>, <span class="fl">1</span>, <span class="fl">0</span><span class="op">)</span></span>
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