.. _example_plot_roc.py:


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Receiver operating characteristic (ROC)
=======================================

Example of Receiver operating characteristic (ROC) metric to
evaluate the quality of the output of a classifier.



.. image:: images/plot_roc_1.png
    :align: center


**Script output**::

  Area under the ROC curve : 0.796296



**Python source code:** :download:`plot_roc.py <plot_roc.py>`

.. literalinclude:: plot_roc.py
    :lines: 9-