://en.wikipedia.org/wiki/Loss_of_significance" target="_top">loss
          of significance or cancellation error</a> for values of <span class="emphasis"><em>x</em></span>
          close to <span class="emphasis"><em>x_max</em></span>. For example, for a standard [0, 1]
          arcsine distribution <span class="emphasis"><em>as</em></span>, the pdf is symmetric about
          random variate <span class="emphasis"><em>x = 0.5</em></span> so that one would expect <code class="computeroutput"><span class=