ss="fl">1</span><span class="op">:</span><span class="fl">2</span>, <span class="fl">1</span><span class="op">:</span><span class="fl">2</span><span class="op">]</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0.48</span>, <span class="op">-</span><span class="fl">0.08</span>, <span class="op">-</span><span class="fl">0.08</span>, <span class="fl">0.18</span><span class="op">)</span></sp