.. _sphx_glr_auto_examples_datasets:

^^^^^^^^^^^^
Data objects
^^^^^^^^^^^^

Objects commonly used to represent data:
:class:`Var` and :class:`Factor` for univariate variables,
:class:`NDVar` for n-dimensional data, and
:class:`Dataset` to group multiple variables describing the same cases.



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    <div class="sphx-glr-thumbnails">

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    <div class="sphx-glr-thumbcontainer" tooltip="Data are represented with three primary data-objects:">

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  .. image:: /auto_examples/datasets/images/thumb/sphx_glr_intro_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_datasets_intro.py`

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      <div class="sphx-glr-thumbnail-title">Introduction</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Load and prepare an example dataset:">

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  .. image:: /auto_examples/datasets/images/thumb/sphx_glr_dataset-basics_thumb.png
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  :ref:`sphx_glr_auto_examples_datasets_dataset-basics.py`

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      <div class="sphx-glr-thumbnail-title">Dataset basics</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Shows how to combine information from two datasets describing the same cases, but not necessarily in the same order.">

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  .. image:: /auto_examples/datasets/images/thumb/sphx_glr_align_thumb.png
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  :ref:`sphx_glr_auto_examples_datasets_align.py`

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      <div class="sphx-glr-thumbnail-title">Align datasets</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Shows how to initialize an NDVar with the structure of EEG data from (randomly generate) data arrays. The data is intended for illustrating EEG analysis techniques and meant to vaguely resemble data from an N400 experiment, but it is not meant to be a physiologically realistic simulation.">

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  .. image:: /auto_examples/datasets/images/thumb/sphx_glr_ndvar-creating_thumb.png
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  :ref:`sphx_glr_auto_examples_datasets_ndvar-creating.py`

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      <div class="sphx-glr-thumbnail-title">Creating NDVars</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Dataset provide a means to collect data for statistical analysis. A Dataset is similar to a dataframe in R or pandas, but can hold mass-univariate measurements in NDVar.">

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  .. image:: /auto_examples/datasets/images/thumb/sphx_glr_group-level-analysis_thumb.png
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  :ref:`sphx_glr_auto_examples_datasets_group-level-analysis.py`

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      <div class="sphx-glr-thumbnail-title">Group level analysis</div>
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    </div>


.. toctree::
   :hidden:

   /auto_examples/datasets/intro
   /auto_examples/datasets/dataset-basics
   /auto_examples/datasets/align
   /auto_examples/datasets/ndvar-creating
   /auto_examples/datasets/group-level-analysis