common_statistics.hpp

/*
 * common_statistics.hpp
 *
 *  Created on: Jul 20, 2019
 *      Author: i-bird
 */
 
#ifndef COMMON_STATISTICS_HPP_
#define COMMON_STATISTICS_HPP_
 
 
static inline void standard_deviation(openfpm::vector<double> measures, double & mean, double & dev)
{
    mean = 0;
    for (size_t i = 0 ; i < measures.size() ; i++)
        mean += measures.get(i);
    mean /= measures.size();
 
    dev = 0;
    for (size_t i = 0 ; i < measures.size() ; i++)
        dev += (measures.get(i) - mean)*(measures.get(i) - mean);
 
    dev = sqrt(dev / (measures.size() - 1));
}
 
static inline void standard_deviation(std::vector<double> measures, double & mean, double & dev)
{
    mean = 0;
    for (size_t i = 0 ; i < measures.size() ; i++)
    {
        mean += measures[i];
    }
 
    mean /= measures.size();
 
    dev = 0;
    for (size_t i = 0 ; i < measures.size() ; i++)
        dev += (measures[i] - mean)*(measures[i] - mean);
 
    dev = sqrt(dev / (measures.size() - 1));
}
 
 
#endif /* COMMON_STATISTICS_HPP_ */