1)</code> interval using
parameters <code>concentration1</code> (aka "alpha") and <code>concentration0</code> (aka "beta").  It has a
shape similar to the Beta distribution, but is easier to reparameterize.</p>
    </div>

    <pre class="usage"><span class='fu'>tfd_kumaraswamy</span><span class='op'>(</span>
  concentration1 <span class='op'>=</span> <span class='fl'>1</span>,
  concentration0 <span class='op'>=</span> <span class='fl'>1</span>,
  validate_args <span class='op'>=</span> <span class='cn'>FA