.. _sphx_glr_auto_examples_UnsupervisedLearning:

Unsupervised learning
=============================



.. raw:: html

    <div class="sphx-glr-thumbnails">

.. thumbnail-parent-div-open

.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This script evaluates and visualizes various dimensionality reduction algorithms on the iris dataset.  For each algorithm, a visualization of the latent space, which is used for comparison of the algorithms.">

.. only:: html

  .. image:: /auto_examples/UnsupervisedLearning/images/thumb/sphx_glr_DimensionalityReduction_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_UnsupervisedLearning_DimensionalityReduction.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Comparison of dimensionality reduction algorithms</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This script classifies synthetic data using linear and quadratic disrciminant analysis.  In the visualisations, one is clearly able to see the difference  between the algorithms  using the decision boundaries.">

.. only:: html

  .. image:: /auto_examples/UnsupervisedLearning/images/thumb/sphx_glr_DiscriminantAnalysisClassification_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_UnsupervisedLearning_DiscriminantAnalysisClassification.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Classification with discriminant analysis</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This script evaluates and visualizes various clustering algorithms on synthetic datasets. For each algorithm,  a silhouette plot is produced, which is used for comparison of the algorithms. If one wants to experiment with  differently shaped datasets, one should run the script locally and experiment with changing the &quot;dataset&quot; parameter.">

.. only:: html

  .. image:: /auto_examples/UnsupervisedLearning/images/thumb/sphx_glr_Clustering_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_UnsupervisedLearning_Clustering.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Comparison of clustering algorithms using silhouette scores</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /auto_examples/UnsupervisedLearning/DimensionalityReduction
   /auto_examples/UnsupervisedLearning/DiscriminantAnalysisClassification
   /auto_examples/UnsupervisedLearning/Clustering