ss='kw'>file</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>tolerance</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/MathFun'>sqrt</a></span>(<span class='no'>.Machine</span>$<span class='no'>double.eps</span>), <span class='kw'>scale</span> <span class='kw'>=</span> <span class='kw'>NULL</span>)</pre>
    
    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <tab