..
   Generated automatically by cpp2rst

.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _triqs__stat__mean:

triqs::stat::mean
=================

*#include <triqs/stat.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | :green:`template<typename V>`
       | auto :red:`mean` (V const & :param:`data`)





Calculate the arithmetic mean [REF] of data in an iterable container.





Template parameters
^^^^^^^^^^^^^^^^^^^

 * :param:`V` iterable type. Pre-conditions: elements must be addable to each other


Parameters
^^^^^^^^^^

 * :param:`data` Container with data


Returns
^^^^^^^

Mean of data; type is deduced from first element of :param:`data`

Example
^^^^^^^

..
   Included automatically from /src/triqs/doc/documentation/examples/triqs/stat/mean_1.cpp

.. code-block:: cpp

    #include <triqs/stat/mean_error.hpp>

    using namespace triqs::stat;

    int main() {
      std::vector<double> data{1., 2., 3., 4.};
      auto ave = mean(data);
      std::cout << "Average: " << ave << std::endl; // = 2.5
    }


*Output*

.. code-block:: text

    Average: 2.5