n>
<span id="cb25-3"><a href="overview.html#cb25-3"></a>diamonds<span class="op">$</span>price_miss &lt;-<span class="st"> </span><span class="kw">ifelse</span>(diamonds<span class="op">$</span>depth<span class="op">&gt;</span><span class="dv">60</span>, diamonds<span class="op">$</span>price, <span class="ot">NA</span>)</span>
<span id="cb25-4"><a href="overview.html#cb25-4"></a>p &lt;-<span class="st"> </span><span class="kw">ggplot</span>(diamonds, <span class="kw">aes</span>(<span class="dt">x =</span> 