.html'>calc_instances()</a></code> for details.</p>
    
    </div>

    <pre class="usage"><span class='fu'>calc_power_curve</span>(<span class='no'>ninstances</span>, <span class='kw'>sig.level</span> <span class='kw'>=</span> <span class='fl'>0.05</span>, <span class='kw'>alternative</span> <span class='kw'>=</span> <span class='st'>"two.sided"</span>,
  <span class='kw'>test.type</span> <span class='kw'>=</span> <span class='st'>"t.test"</span>, <span class='kw'>d.range</span> <span class='kw'>=</span> 