,
  <span class='kw'>psi_sd</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>doses_given</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>eff</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>tox</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='no'>...</span>
)</pre>
    
    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class