.. _sphx_glr_auto_examples_over-sampling:

.. _over_sampling_examples:

Example using over-sampling class methods
=========================================

Data balancing can be performed by over-sampling such that new samples are generated in the minority class to reach a given balancing ratio.



.. raw:: html

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


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example illustrates how a new sample is generated taking into account the neighbourhood of...">

.. only:: html

  .. image:: /auto_examples/over-sampling/images/thumb/sphx_glr_plot_illustration_generation_sample_thumb.png
    :alt: Sample generator used in SMOTE-like samplers

  :ref:`sphx_glr_auto_examples_over-sampling_plot_illustration_generation_sample.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Sample generator used in SMOTE-like samplers</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example shows the effect of the shrinkage factor used to generate the smoothed bootstrap u...">

.. only:: html

  .. image:: /auto_examples/over-sampling/images/thumb/sphx_glr_plot_shrinkage_effect_thumb.png
    :alt: Effect of the shrinkage factor in random over-sampling

  :ref:`sphx_glr_auto_examples_over-sampling_plot_shrinkage_effect.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Effect of the shrinkage factor in random over-sampling</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="The following example attends to make a qualitative comparison between the different over-sampl...">

.. only:: html

  .. image:: /auto_examples/over-sampling/images/thumb/sphx_glr_plot_comparison_over_sampling_thumb.png
    :alt: Compare over-sampling samplers

  :ref:`sphx_glr_auto_examples_over-sampling_plot_comparison_over_sampling.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Compare over-sampling samplers</div>
    </div>


.. raw:: html

    </div>


.. toctree::
   :hidden:

   /auto_examples/over-sampling/plot_illustration_generation_sample
   /auto_examples/over-sampling/plot_shrinkage_effect
   /auto_examples/over-sampling/plot_comparison_over_sampling