OpenMS: LinearRegressionWithoutIntercept.h Source File

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LinearRegressionWithoutIntercept.h
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2 // OpenMS -- Open-Source Mass Spectrometry
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4 // Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
5 // ETH Zurich, and Freie Universitaet Berlin 2002-2020.
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30 // --------------------------------------------------------------------------
31 // $Maintainer: Lars Nilse $
32 // $Authors: Lars Nilse $
33 // --------------------------------------------------------------------------
34
35 #pragma once
36
37 #include <OpenMS/CONCEPT/Exception.h>
38
39 #include <cmath>
40 #include <vector>
41
42 namespace OpenMS
43 {
44 namespace Math
45 {
51 class OPENMS_DLLAPI LinearRegressionWithoutIntercept
52 {
53 public:
54
56 LinearRegressionWithoutIntercept();
57
64 void addData(double x, double y);
65
72 void addData(std::vector<double>& x, std::vector<double>& y);
73
77 double getSlope();
78
79 private:
83 double sum_xx_;
84
88 double sum_xy_;
89
93 int n_;
94
95 };
96
97 } // namespace Math
98 } // namespace OpenMS
99
100
OpenMS::Math::LinearRegressionWithoutIntercept::sum_xx_
double sum_xx_
total variation in x
Definition: LinearRegressionWithoutIntercept.h:83
Exception.h
OpenMS::Math::LinearRegressionWithoutIntercept::n_
int n_
number of observations
Definition: LinearRegressionWithoutIntercept.h:93
OpenMS
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:46
Math
OpenMS::Math::LinearRegressionWithoutIntercept
This class offers functions to perform least-squares fits to a straight line model, .
Definition: LinearRegressionWithoutIntercept.h:51
OpenMS::Math::LinearRegressionWithoutIntercept::sum_xy_
double sum_xy_
sum of products
Definition: LinearRegressionWithoutIntercept.h:88