.. _sphx_glr_auto_examples_preprocessing_ex_binning.py:


===================
Binning transformer
===================

Demonstrates how to bin continuous features in your dataset.

.. raw:: html

   <br/>




.. image:: /auto_examples/preprocessing/images/sphx_glr_ex_binning_001.png
    :align: center


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

 Out::

    a  ...      b_binned
    0  5.1  ...  (3.30, 3.90]
    1  4.9  ...  (2.70, 3.30]
    2  4.7  ...  (2.70, 3.30]
    3  4.6  ...  (2.70, 3.30]
    4  5.0  ...  (3.30, 3.90]

    [5 rows x 6 columns]




|


.. code-block:: python

    print(__doc__)

    # Author: Taylor Smith <taylor.smith@alkaline-ml.com>

    from matplotlib import pyplot as plt
    from skoot.datasets import load_iris_df
    from skoot.preprocessing import BinningTransformer

    # #############################################################################
    # load data
    iris = load_iris_df(include_tgt=False, names=["a", "b", "c", "d"])
    binner = BinningTransformer(cols=["a", "b"], return_bin_label=True,
                                strategy="uniform", overwrite=False,
                                n_bins=4)

    # print the head of the binned dataset
    print(binner.fit_transform(iris).head())

    # #############################################################################
    # Show where the boundaries reside

    a_lower = binner.bins_["a"].lower_bounds[1:]  # skip the -np.inf
    plt.hist(iris["a"].values)

    # plot vertical lines where bins are
    for bound in a_lower:
        plt.axvline(bound, ls="--")
    plt.title("Iris feature 'a' + bin markers")
    plt.show()

**Total running time of the script:** ( 0 minutes  0.059 seconds)



.. only :: html

 .. container:: sphx-glr-footer


  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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


.. only:: html

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

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