LinearRegressionWithoutIntercept.h

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//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2021.
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// $Maintainer: Lars Nilse $
// $Authors: Lars Nilse $
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#pragma once
 
#include <OpenMS/CONCEPT/Exception.h>
 
#include <cmath>
#include <vector>
 
namespace OpenMS
{
  namespace Math
  {
    class OPENMS_DLLAPI LinearRegressionWithoutIntercept
    {
      public:
 
      LinearRegressionWithoutIntercept();
      
      void addData(double x, double y);
      
      void addData(std::vector<double>& x, std::vector<double>& y);
      
      double getSlope() const;
 
      private:
      double sum_xx_;
      
      double sum_xy_;
      
      int n_;
      
    };
 
  } // namespace Math
} // namespace OpenMS