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.. * Copyright 2021 Intel Corporation
.. *
.. * Licensed under the Apache License, Version 2.0 (the "License");
.. * you may not use this file except in compliance with the License.
.. * You may obtain a copy of the License at
.. *
.. *     http://www.apache.org/licenses/LICENSE-2.0
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.. * Unless required by applicable law or agreed to in writing, software
.. * distributed under the License is distributed on an "AS IS" BASIS,
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.. * See the License for the specific language governing permissions and
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.. *******************************************************************************/

.. default-domain:: cpp

.. _api_basic_statistics:

================
Basic Statistics
================

.. include::  ../../../includes/statistics/basic-statistics-introduction.rst

------------------------
Mathematical formulation
------------------------

Refer to :ref:`Developer Guide: Basic statistics <alg_basic_statistics>`.

---------------------
Programming Interface
---------------------
All types and functions in this section are declared in the
``oneapi::dal::basic_statistics`` namespace and are available via inclusion of the
``oneapi/dal/algo/basic_statistics.hpp`` header file.

Descriptor
----------
.. onedal_class:: oneapi::dal::basic_statistics::descriptor

Method tags
~~~~~~~~~~~
.. onedal_tags_namespace:: oneapi::dal::basic_statistics::method

Task tags
~~~~~~~~~
.. onedal_tags_namespace:: oneapi::dal::basic_statistics::task

.. _basic_statistics_c_api:

Training :expr:`compute(...)`
-----------------------------
.. _basic_statistics_c_api_input:

Input
~~~~~
.. onedal_class:: oneapi::dal::basic_statistics::compute_input


.. _basic_statistics_c_api_result:

Result
~~~~~~
.. onedal_class:: oneapi::dal::basic_statistics::compute_result

Operation
~~~~~~~~~
.. function:: template <typename Descriptor> \
              basic_statistics::compute_result compute(const Descriptor& desc, \
                                      const basic_statistics::compute_input& input)

   :param desc: Basic statistics algorithm descriptor :expr:`basic_statistics::descriptor`
   :param input: Input data for the computing operation

   Preconditions
      | :expr:`input.data.is_empty == false`

.. _basic_statistics_p_api:

Partial Training
----------------
.. _basic_statistics_p_api_input:

Partial Input
~~~~~~~~~~~~~
.. onedal_class:: oneapi::dal::basic_statistics::partial_compute_input

.. _basic_statistics_p_api_result:

Partial Result and Finalize Input
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. onedal_class:: oneapi::dal::basic_statistics::partial_compute_result

.. _basic_statistics_f_api:

Finalize Training
-----------------