pan><span class="op">)</span> <span class="fu"><a href="https://rdrr.io/r/base/Log.html" class="external-link">exp</a></span><span class="op">(</span><span class="op">-</span><span class="va">x</span><span class="op">^</span><span class="fl">2</span><span class="op">)</span>,</span>
<span>  n_neighbor <span class="op">=</span> <span class="fl">10</span>,</span>
<span>  block_size <span class="op">=</span> <span class="fl">10000</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </di