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

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download_auto_examples_plot_polyfit_ci.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_auto_examples_plot_polyfit_ci.py:


Polynomial fit with confidence band
===================================

.. GENERATED FROM PYTHON SOURCE LINES 5-22

.. code-block:: Python

    import numpy as np, pandas as pd
    import seaborn.objects as so
    import seaborn_objects_recipes as sor

    rng = np.random.default_rng(0)
    x = np.linspace(0, 2*np.pi, 150)
    y = np.sin(x) + rng.normal(0, 0.2, size=x.size)
    df = pd.DataFrame({"x": x, "y": y})

    (
        so.Plot(df, x="x", y="y")
        .add(so.Dot(alpha=0.35))
        .add(so.Line(), pf := sor.PolyFitWithCI(order=2, gridsize=200, alpha=0.05))
        .add(so.Band(), pf)
        .label(title="Quadratic fit ± 95% CI", x="x", y="y")
        .plot()
    )


.. _sphx_glr_download_auto_examples_plot_polyfit_ci.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/oosei25/seaborn_objects_recipes/main?filepath=docs/tutorial/auto_examples/plot_polyfit_ci.ipynb
        :alt: Launch binder
        :width: 150 px

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

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

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

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

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: plot_polyfit_ci.zip <plot_polyfit_ci.zip>`


.. only:: html

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

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