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.. _ref-to-model:
Internal data model
===================
.. meta::
:description: Internal model of DataLab, the open-source scientific data analysis and visualisation platform
:keywords: DataLab, internal model, data model, signal, image, dataset, parameter, computation, scientific data analysis, visualisation, platform
In its internal data model, DataLab stores data using two main classes:
* :class:`sigima.objects.SignalObj`, which represents a signal object, and
* :class:`sigima.objects.ImageObj`, which represents an image object.
These classes are defined in the :mod:`sigima.objects` package.
Also, DataLab uses many different datasets (based on guidata's ``DataSet`` class)
to store the parameters of the computations. These datasets are defined in
different modules but are exposed publicly in the :mod:`sigima.params` package.
.. seealso::
The :ref:`api` section for more information on the public API.
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