marUtils.cpp

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#include "marUtils.h"

// ----------------------------------------------------------------------------
marUtils::marUtils()
{

}

// ----------------------------------------------------------------------------
marUtils::~marUtils()
{

}
// ----------------------------------------------------------------------------
double marUtils::obtainAverage(std::vector<double> list)
{
        double average = 0;
        for (int i = 0; i < list.size(); i++)
        {
                average += list[i];
        }

        if (list.size() > 0)
        {
                average = average / list.size();
        }

        return average;

}

// ----------------------------------------------------------------------------
double marUtils::obtainStandardDeviation(std::vector<double> list, double average)
{
        double std = 0;

        for(int i = 0; i < list.size(); i++)
        {
                std += pow(list[i] - average,2.0);
        }

        if (list.size() > 0)
        {
                std = sqrt(std/list.size());
        }

        return std;
}