v">1</span>)</a>
<a class="sourceLine" id="cb3-8" data-line-number="8"><span class="co">#&gt; [1] "-4" "-3" "-2" "-1" "0"  "1"  "2"  "3"  "4"</span></a>
<a class="sourceLine" id="cb3-9" data-line-number="9"></a>
<a class="sourceLine" id="cb3-10" data-line-number="10"><span class="co"># true minuses</span></a>
<a class="sourceLine" id="cb3-11" data-line-number="11"><span class="kw"><a href="reference/signs.html">signs</a></span>(x, <span class="dt">accuracy =</span> <span class="dv">1</span>)</a>
<a class="s