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// OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2013.
//
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// $Maintainer: Andreas Bertsch $
// $Authors: $
// --------------------------------------------------------------------------
#ifndef OPENMS_MATH_STATISTICS_ROCCURVE_H
#define OPENMS_MATH_STATISTICS_ROCCURVE_H
#include <OpenMS/config.h>
#include <OpenMS/CONCEPT/Types.h>
#include <list>
#include <vector>
namespace OpenMS
{
namespace Math
{
/**
@brief ROCCurves show the tradeoff in sensitivity and specitivity for binary classifiers using different cutoff values
[This class is buggy and usage is discouraged!]
@ingroup Math
*/
class OPENMS_DLLAPI ROCCurve
{
public:
// @name Constructors and Destructors
// @{
/// default constructor
ROCCurve();
/// destructor
virtual ~ROCCurve();
/// copy constructor
ROCCurve(const ROCCurve & source);
// @}
// @name Operators
// @{
/// assignment operator
ROCCurve & operator=(const ROCCurve & source);
// @}
// @name Accessors
// @{
/// insert score, type pair
void insertPair(double score, bool clas);
/// returns Area Under Curve
double AUC();
/// some points in the ROC Curve
std::vector<std::pair<double, double> > curve(UInt resolution = 10);
///
double cutoffPos(double fraction = 0.95);
///
double cutoffNeg(double fraction = 0.95);
// @}
private:
/// predicate for sort()
class OPENMS_DLLAPI simsortdec
{
public:
bool operator()(const std::pair<double, bool> & a, const std::pair<double, bool> & b)
{
return b.first < a.first;
}
};
std::list<std::pair<double, bool> > score_clas_pairs_;
UInt pos_;
UInt neg_;
};
}
}
#endif // OPENMS_MATH_STATISTICS_ROCCURVE_H
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