an class="fu">list</span>()</span>
<span id="cb403-2"><a href="loops.html#cb403-2" tabindex="-1"></a><span class="cf">for</span> (i <span class="cf">in</span> <span class="dv">1</span><span class="sc">:</span>(<span class="fu">ncol</span>(city) <span class="sc">-</span> <span class="dv">1</span>)) {</span>
<span id="cb403-3"><a href="loops.html#cb403-3" tabindex="-1"></a>  temp[[i]] <span class="ot">&lt;-</span> <span class="fu">multiply_columns</span>(<span class="at">x =</span> city[, i], <span class="at"