.. only:: html

    .. raw:: html

        <!-- Block section -->
        <div class="container-index">
        <div class="container index-upper">
        <div class="row-fluid">

        <!-- Classification -->
        <div class="span4 box">
        <h2 >

    :ref:`Classification <supervised-learning>`

    .. raw:: html

        </h2>
        <blockquote>
        <p>Identifying to which category an object belongs to.</p>
        <div class="box-links">
        <strong>Applications</strong>: Spam detection, Image recognition.</br>
        <strong>Algorithms</strong>:&nbsp;

    :ref:`SVM<svm>`, :ref:`nearest neighbors<classification>`, :ref:`random forest<forest>`, ...

    .. raw:: html

        <small class="float-right box-example-links">

    :ref:`Examples<general_examples>`

    .. raw:: html

        </small>
        </div>
        </blockquote>
        </div>

        <!-- Regression -->
        <div class="span4 box">
        <h2>

    :ref:`Regression <supervised-learning>`

    .. raw:: html

        </h2>
        <blockquote>
        <p>Predicting a continuous-valued attribute associated with an object.</p>
        <div class="box-links">
        <strong>Applications</strong>: Drug response, Stock prices.</br>
        <strong>Algorithms</strong>:&nbsp;

    :ref:`SVR<svm>`, :ref:`ridge regression<ridge_regression>`, :ref:`Lasso<lasso>`, ...

    .. raw:: html

        <small class="float-right box-example-links">

    :ref:`Examples<general_examples>`

    .. raw:: html

        </small>
        </div>
        </blockquote>
        </div>

        <!-- Clustering -->
        <div class="span4 box">
        <h2>

    :ref:`Clustering<clustering>`

    .. raw:: html

        </h2>
        <blockquote>
        <p>Automatic grouping of similar objects into sets.</p>
        <div class="box-links">
        <strong>Applications</strong>: Customer segmentation, Grouping experiment outcomes</br>
        <strong>Algorithms</strong>:&nbsp;

    :ref:`k-Means<k_means>`, :ref:`spectral clustering<spectral_clustering>`, :ref:`mean-shift<mean_shift>`, ...

    .. raw:: html

        <small class="float-right example-links">

    :ref:`Examples<cluster_examples>`

    .. raw:: html

        </small>
        </div>
        </blockquote>
        </div>

        <!-- row -->
        </div>
        <div class="row-fluid">

        <!-- Dimension reduction -->
        <div class="span4 box">
        <h2>

    :ref:`Dimensionality reduction<decompositions>`

    .. raw:: html

        </h2>
        <blockquote>
        <p>Reducing the number of random variables to consider.</p>
        <div class="box-links">
        <strong>Applications</strong>: Visualization, Increased efficiency</br>
        <strong>Algorithms</strong>:&nbsp;

    :ref:`PCA<PCA>`, :ref:`feature selection<feature_selection>`, :ref:`non-negative matrix factorization<NMF>`.

    .. raw:: html

        <small class="float-right example-links">

    :ref:`Examples<decomposition_examples>`

    .. raw:: html

        </small>
        </div>
        </blockquote>
        </div>

        <!-- Model selection -->
        <div class="span4 box">
        <h2>

    :ref:`Model selection<model_selection>`

    .. raw:: html

        </h2>
        <blockquote>
        <p>Comparing, validating and choosing parameters and models.</p>
        <div class="box-links">
        <strong>Goal</strong>: Improved accuracy via parameter tuning</br>
        <strong>Modules</strong>:&nbsp;

    :ref:`grid search<grid_search>`, :ref:`cross validation<cross_validation>`, :ref:`metrics<model_evaluation>`.

    .. raw:: html

        <small class="float-right example-links">

    :ref:`Examples<general_examples>`

    .. raw:: html

        </small>
        </div>
        </blockquote>
        </div>


        <!-- Preprocessing -->
        <div class="span4 box">
        <h2>

    :ref:`Preprocessing<preprocessing>`

    .. raw:: html

        </h2>
        <blockquote>
        <p>Feature extraction and normalization.</p>
        <div class="box-links">
        <strong>Application</strong>: Transforming input data such as text for use with machine learning algorithms.</br>
        <strong>Modules</strong>:&nbsp;

    :ref:`preprocessing<preprocessing>`, :ref:`feature extraction<feature_extraction>`.

    .. raw:: html

        <span class="example-links">
        <small class="float-right example-links">

    :ref:`Examples<general_examples>`

    .. raw:: html

        </small>
        </div>
        </blockquote>
        </div>

        <!-- row -->
        </div>
        </div> <!-- container -->


        <div class="container index-lower">
            <div class="row-fluid">
                <!-- News -->
                <div class="span4">
                    <h4>News</h4>
                    <ul>
                    <li><em>On-going development:</em>
                    <a href="whats_new.html"><em>What's new</em> (changelog)</a>
                    </li>
                    <li><em>November 2015.</em> scikit-learn 0.17.0 is available for download (<a href="whats_new.html">Changelog</a>).
                    </li>
                    <li><em>March 2015.</em> scikit-learn 0.16.0 is available for download (<a href="whats_new.html">Changelog</a>).
                    </li>
                    <li><em>July 2014.</em> scikit-learn 0.15.0 is available for download (<a href="whats_new.html">Changelog</a>).
                    </li>
                    <li><em>July 14-20th, 2014: international sprint.</em>
                    During this week-long sprint, we gathered 18 of the core
                    contributors in Paris.
                    We want to thank our sponsors:
                    <a href="http://www.campus-paris-saclay.fr/en/Idex-Paris-Saclay/Les-Lidex/Paris-Saclay-Center-for-Data-Science">
                    Paris-Saclay Center for Data Science</a>
                    & <a href="https://digicosme.lri.fr">Digicosme</a> and our
                    hosts <a href="http://lapaillasse.org">La Paillasse</a>,
                    <a href="http://www.criteo.com/">Criteo</a>,
                    <a href="http://www.inria.fr/">Inria</a>,
                    and <a href="http://www.tinyclues.com/">tinyclues</a>.
                    </li>
                    <li><em>August 2013.</em> scikit-learn 0.14 is available for download (<a href="whats_new.html">Changelog</a>).
                    </li>
                    </ul>
                </div>

                <!-- Community -->
                <div class="span4">
                    <h4>Community</h4>
                    <ul>
                    <li><em>About us</em> See <a href="about.html#people">authors</a></li>
                    <li><em>More Machine Learning</em> Find <a href="related_projects.html">related projects</a></li>
                    <li><em>Questions?</em> See <a href="faq/">FAQ</a> and <a href="http://stackoverflow.com/questions/tagged/scikit-learn">stackoverflow</a></li>
                    <li><em>Mailing list:</em> <a href="https://lists.sourceforge.net/lists/listinfo/scikit-learn-general">scikit-learn-general@lists.sourceforge.net</a></li>
                    <li><em>IRC:</em> #scikit-learn @ <a href="http://webchat.freenode.net/">freenode</a></li>
                    </ul>

                    <form target="_top" id="paypal-form" method="post" action="https://www.paypal.com/cgi-bin/webscr">
                        <input type="hidden" value="_s-xclick" name="cmd">
                        <input type="hidden" value="74EYUMF3FTSW8" name="hosted_button_id">
                    </form>

                    <a class="btn btn-warning btn-big" onclick="document.getElementById('paypal-form').submit(); return false;">Help us, <strong>donate!</strong></a>
                    <a class="btn btn-warning btn-big cite-us" href="./about.html#citing-scikit-learn"><strong>Cite us!</strong></a>

                    <small style="display: block; margin-top: 10px"><a href="about.html#funding">Read more about donations</a></small>
                </div>

                <!-- who using -->
                <div class="span4">
                    <h4>Who uses scikit-learn?</h4>

                    <div id="testimonials_carousel" class="carousel slide">
                        <div class="carousel-inner">
                            <div class="active item">
                              <img src="_images/inria.png" class="thumbnail" />
                              <p>
                              <em>"We use scikit-learn to support leading-edge basic research [...]"</em>
                              </p>
                            </div>
                            <div class="item">
                              <img src="_images/spotify.png" class="thumbnail" />
                              <p>
                              <em>"I think it's the most well-designed ML package I've seen so far."</em>
                              </p>
                            </div>
                            <div class="item">
                              <img src="_images/change-logo.png" class="thumbnail" />
                              <p>
                              <em>"scikit-learn's ease-of-use, performance and overall variety of algorithms implemented has proved invaluable [...]."</em>
                              </p>
                            </div>
                            <div class="item">
                              <img src="_images/evernote.png" class="thumbnail" />
                              <p>
                              <em>"For these tasks, we relied on the excellent scikit-learn package for Python."</em>
                              </p>
                            </div>
                            <div class="item">
                              <img src="_images/telecomparistech.jpg"
                                   class="thumbnail" />
                              <p>
                              <em>"The great benefit of scikit-learn is its fast learning curve [...]"</em>
                              </p>
                            </div>
                            <div class="item">
                              <img src="_images/aweber.png" class="thumbnail" />
                              <p>
                              <em>"It allows us to do AWesome stuff we would not otherwise accomplish"</em>
                              </p>
                            </div>
                            <div class="item">
                              <img src="_images/yhat.png" class="thumbnail" />
                              <p>
                              <em>"scikit-learn makes doing advanced analysis in Python accessible to anyone."</em>
                              </p>
                            </div>
                        </div>
                    </div>
                    <p align="right">
                    <small class="example-link">
                    <a href="testimonials/testimonials.html">More testimonials</a>
                    </small>
                    </p>
                </div>

            </div>
        </div>

        <!--Bottom of index page contributions logos-->
        <div class="container index-upper" >
        <div class="row-fluid">
          <div class="footer">
              <div class="span4">
                Generous funding provided by INRIA, Google and others.
              </div>
              <div class="span4">
                 <a class="reference internal" href="about.html#funding" style="text-decoration: none" >
                       <img id="index-funding-logo-big" src="_static/img/inria-small.png" title="INRIA">
                   <img id="index-funding-logo-small" src="_static/img/google.png" title="Google">
                   <!--Due to Télécom ParisTech's logo text being smaller, a style has been added to improve readability-->
                   <img id="index-funding-logo-small" src="_static/img/telecom.png" title="Télécom ParisTech" style="max-height: 36px">
                   <img id="index-funding-logo-small" src="_static/img/FNRS-logo.png" title="FNRS">
                 </a>
             </div>
             <div class="span4">
                <a class="reference internal" href="about.html#funding">
                   More information on our contributors
                </a>
             </div>
          </div>
        </div>
          </div>
        </div>


        <script>
          $('#testimonials_carousel').carousel()
        </script>

.. Define an order for the Table of Contents:

.. toctree::
    :maxdepth: 2
    :hidden:

    preface
    tutorial/index
    user_guide
    auto_examples/index
    modules/classes
    developers/index
