fu'>Signac</span><span class='op'>(</span>
  <span class='va'>E</span>,
  R <span class='op'>=</span> <span class='st'>"default"</span>,
  spring.dir <span class='op'>=</span> <span class='cn'>NULL</span>,
  N <span class='op'>=</span> <span class='fl'>100</span>,
  num.cores <span class='op'>=</span> <span class='fl'>1</span>,
  threshold <span class='op'>=</span> <span class='fl'>0</span>,
  smooth <span class='op'>=</span> <span class='cn'>TRUE</span>,
  impute <span class='op'>=</span> <span class='cn'>