title: How to get parameter arguments from a frozen spicy.stats distribution?
body: <h1>Frozen Distribution</h1>
  
  <p>In <a href="http://docs.scipy.org/doc/scipy/reference/tutorial/stats.html#statistics-scipy-stats" rel="noreferrer"><code>scipy.stats</code></a> you can create a <a href="http://docs.scipy.org/doc/scipy/reference/tutorial/stats.html#freezing-a-distribution" rel="noreferrer"><em>frozen</em> distribution</a> that allows the parameterization (shape, location &amp;  scale) of the distribution to be permanently set for that instance.</p>
  
  <p>For example, you can create an gamma distribution (<a href="http://docs.scipy.org/doc/scipy-0.17.0/reference/generated/scipy.stats.gamma.html#scipy-stats-gamma" rel="noreferrer"><code>scipy.stats.gamma</code></a>) with <code>a</code>,<code>loc</code> and <code>scale</code> parameters and <em>freeze</em> them so they do not have to be passed around every time that distribution is needed.  </p>
  
  <pre><code>import scipy.stats as stats
  
  # Parameters for this particular gamma distribution
  a, loc, scale = 3.14, 5.0, 2.0
  
  # Do something with the general distribution parameterized
  print 'gamma stats:', stats.gamma(a, loc=loc, scale=scale).stats()
  
  # Create frozen distribution
  rv = stats.gamma(a, loc=loc, scale=scale)
  
  # Do something with the specific, already parameterized, distribution
  print 'rv stats   :', rv.stats()
  </code></pre>
  
  <hr>
  
  <pre><code>gamma stats: (array(11.280000000000001), array(12.56))
  rv stats   : (array(11.280000000000001), array(12.56))
  </code></pre>
  
  <h2>Accessible <code>rv</code> parameters?</h2>
  
  <p>Since the parameters will most likely not be passed around as a result of this feature, is there a way to get those values back from only the frozen distribution, <code>rv</code>, later on?</p>