.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "auto_examples/feature_selection/plot_rfe_digits.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code or to run this example in your browser via JupyterLite or Binder .. rst-class:: sphx-glr-example-title .. _sphx_glr_auto_examples_feature_selection_plot_rfe_digits.py: ============================= Recursive feature elimination ============================= A recursive feature elimination example showing the relevance of pixels in a digit classification task. .. note:: See also :ref:`sphx_glr_auto_examples_feature_selection_plot_rfe_with_cross_validation.py` .. GENERATED FROM PYTHON SOURCE LINES 14-37 .. image-sg:: /auto_examples/feature_selection/images/sphx_glr_plot_rfe_digits_001.png :alt: Ranking of pixels with RFE :srcset: /auto_examples/feature_selection/images/sphx_glr_plot_rfe_digits_001.png :class: sphx-glr-single-img .. code-block:: Python import matplotlib.pyplot as plt from sklearn.datasets import load_digits from sklearn.feature_selection import RFE from sklearn.svm import SVC # Load the digits dataset digits = load_digits() X = digits.images.reshape((len(digits.images), -1)) y = digits.target # Create the RFE object and rank each pixel svc = SVC(kernel="linear", C=1) rfe = RFE(estimator=svc, n_features_to_select=1, step=1) rfe.fit(X, y) ranking = rfe.ranking_.reshape(digits.images[0].shape) # Plot pixel ranking plt.matshow(ranking, cmap=plt.cm.Blues) plt.colorbar() plt.title("Ranking of pixels with RFE") plt.show() .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 2.659 seconds) .. _sphx_glr_download_auto_examples_feature_selection_plot_rfe_digits.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/scikit-learn/scikit-learn/main?urlpath=lab/tree/notebooks/auto_examples/feature_selection/plot_rfe_digits.ipynb :alt: Launch binder :width: 150 px .. container:: lite-badge .. image:: images/jupyterlite_badge_logo.svg :target: ../../lite/lab/?path=auto_examples/feature_selection/plot_rfe_digits.ipynb :alt: Launch JupyterLite :width: 150 px .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_rfe_digits.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_rfe_digits.py ` .. include:: plot_rfe_digits.recommendations .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_