<p>In <a href="https://github.com/mlpack/mlpack/pull/684#discussion_r67967156">src/mlpack/methods/neighbor_search/ns_model_impl.hpp</a>:</p>
<pre style='color:#555'>&gt; @@ -355,7 +394,10 @@ void NSModel&lt;SortPolicy&gt;::Search(arma::mat&amp;&amp; querySet,
&gt;    if (randomBasis)
&gt;      querySet = q * querySet;
&gt;  
&gt; -  Log::Info &lt;&lt; &quot;Searching for &quot; &lt;&lt; k &lt;&lt; &quot; nearest neighbors with &quot;;
&gt; +  Log::Info &lt;&lt; &quot;Searching for &quot; &lt;&lt; k;
&gt; +  if (Epsilon() != 0)
&gt; +    Log::Info &lt;&lt; &quot; approximate (e=&quot; &lt;&lt; Epsilon() &lt;&lt; &quot;)&quot;;
</pre>
<p>Ooh, I forgot to respond to this, sorry about that. Maybe a clearer way to put it now is something like "searching for K nearest neighbors with a maximum of Y% relative error"; what do you think?</p>

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