title: How can I install "calibration" function from the sklearn package?
body: <p>I'm get the following error when using calibration:</p>
  
  <pre><code>from sklearn.calibration import CalibratedClassifierCV
  
  clf_sigmoid = CalibratedClassifierCV(clf, cv=2, method='sigmoid')
  
  ImportError: No module named calibration
  </code></pre>
  
  <p>calibration by default is not in sklearn package. I am unsung anaconda on Mac with python 2.7</p>
  
  <p>Any help?</p>
  
  <p>Rgds valerio</p>