.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "glr_examples/utils/plot_errors_vs_epochs.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_glr_examples_utils_plot_errors_vs_epochs.py>`
        to download the full example code or to run this example in your browser via Binder

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_glr_examples_utils_plot_errors_vs_epochs.py:


======================================================
Plot errors vs epochs 
======================================================

visualizes the cost(errors ) against the number of epochs  of two different 
learning rates. 

.. GENERATED FROM PYTHON SOURCE LINES 9-12

.. code-block:: Python

    # Author: L.Kouadio 
    # Licence: BSD-3-clause 








.. GENERATED FROM PYTHON SOURCE LINES 13-19

.. code-block:: Python

    from watex.datasets import load_iris 
    from watex.base import AdalineGradientDescent
    from watex.utils.plotutils import plot_cost_vs_epochs
    X, y = load_iris (return_X_y= True )
    ada1 = AdalineGradientDescent (n_iter= 10 , eta= .01 ).fit(X, y) 
    ada2 = AdalineGradientDescent (n_iter=10 , eta =.0001 ).fit(X, y)
    plot_cost_vs_epochs (regs = [ada1, ada2] ) 


.. image-sg:: /glr_examples/utils/images/sphx_glr_plot_errors_vs_epochs_001.png
   :alt: AdalineGradientDescent -Learning rate 0.0100, AdalineGradientDescent -Learning rate 0.0001
   :srcset: /glr_examples/utils/images/sphx_glr_plot_errors_vs_epochs_001.png
   :class: sphx-glr-single-img


.. rst-class:: sphx-glr-script-out

 .. code-block:: none


    array([<AxesSubplot:title={'center':'AdalineGradientDescent -Learning rate 0.0100'}, xlabel='Epochs', ylabel='Log(sum-squared-error)'>,
           <AxesSubplot:title={'center':'AdalineGradientDescent -Learning rate 0.0001'}, xlabel='Epochs', ylabel='Log(sum-squared-error)'>],
          dtype=object)




.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.182 seconds)


.. _sphx_glr_download_glr_examples_utils_plot_errors_vs_epochs.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: binder-badge

      .. image:: images/binder_badge_logo.svg
        :target: https://mybinder.org/v2/gh/watex/watex/0.3.X?urlpath=lab/tree/notebooks/glr_examples/utils/plot_errors_vs_epochs.ipynb
        :alt: Launch binder
        :width: 150 px

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: plot_errors_vs_epochs.ipynb <plot_errors_vs_epochs.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: plot_errors_vs_epochs.py <plot_errors_vs_epochs.py>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_