.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/hybrid_choice_models/likert_spec.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_hybrid_choice_models_likert_spec.py>`
        to download the full example code.

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

.. _sphx_glr_auto_examples_hybrid_choice_models_likert_spec.py:


Likert indicators and Likert types (SPEC ONLY)

Pure semantic indicator declarations
Michel Bierlaire
Sat Mar 14 2026, 16:26:11

.. GENERATED FROM PYTHON SOURCE LINES 8-92

.. code-block:: Python


    from biogeme.latent_variables import LikertIndicator, LikertType

    likert_indicators = [
        LikertIndicator(
            name="Envir01",
            statement="Fuel price should be increased to reduce congestion and air pollution.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Envir02",
            statement="More public transportation is needed, even if taxes are set to pay the additional costs.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Envir03",
            statement="Ecology disadvantages minorities and small businesses.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Envir04",
            statement="People and employment are more important than the environment.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Envir05",
            statement="I am concerned about global warming.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Envir06",
            statement="Actions and decision making are needed to limit greenhouse gas emissions.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Mobil03",
            statement="I use the time of my trip in a productive way.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Mobil05",
            statement="I reconsider frequently my mode choice.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Mobil08",
            statement="I do not feel comfortable when I travel close to people I do not know.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Mobil09",
            statement="Taking the bus helps making the city more comfortable and welcoming.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Mobil10",
            statement="It is difficult to take the public transport when I travel with my children.",
            type_name="likert",
        ),
        LikertIndicator(
            name="Mobil12",
            statement="It is very important to have a beautiful car.",
            type_name="likert",
        ),
        LikertIndicator(
            name="LifSty01",
            statement="I always choose the best products regardless of price.",
            type_name="likert",
        ),
        LikertIndicator(
            name="LifSty07",
            statement="The pleasure of having something beautiful consists in showing it.",
            type_name="likert",
        ),
    ]

    likert_types = [
        LikertType(
            type_name="likert",
            symmetric=True,
            categories=[1, 2, 3, 4, 5],
            neutral_labels=[6, -1],
        ),
    ]


.. _sphx_glr_download_auto_examples_hybrid_choice_models_likert_spec.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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