class LineFitterCwt

Fitter for a straight line in two dimentions.

Public Methods

double a()

Execute fitting.

double chi2()

Return y of the center of gravity.

void fit()

Updates weights.

inline double LineFitterCwt::a()

Return slope.

inline double LineFitterCwt::chi2()

Return the chi2.

inline double LineFitterCwt::sa()

Return variance of the slope.

inline void LineFitterCwt::set_weight( const std::vector& weight )

Update weights.

inline void LineFitterCwt::set_xcoor( const std::vector& x_coor )

Update x-coordinates.

inline void LineFitterCwt::set_ycoor( const std::vector& y_coor )

Update y-coordinates.

inline double LineFitterCwt::sg()

Return variance of y of center of gravity.

inline double LineFitterCwt::xg()

Return x of center of gravity.

inline double LineFitterCwt::yg()

Return y of center of gravity.

double sa()

Return the chi2.

void set_weight( const std::vector& weight )

Updates y-coordinates.

void set_xcoor( const std::vector& x_coor )

Constructor. Immediately fits a line through the given coordinates.

void set_ycoor( const std::vector& y_coor )

Updates x-coordinates.

double sg()

Return the variance of the slope.

double xg()

Return the slope of the line.

double yg()

Return x of the center of gravity.

Private Fields

double _a

Return the variance of the center of gravity.

double _chi2

variance of y of center of gravity.

double _sa

y of center of gravity.

double _sg

variance of the slope.

bool _suppress_zero

Vector of weights.

std::vector _weight

Vector of y-coordinates.

std::vector _xcoor

Chi2.

double _xg

Slope.

std::vector _ycoor

Vector of x-coordinates.

double _yg

x of center of gravity.

void set_xcoor( const std::vector& x_coor )

Constructor. Immediately fits a line through the given coordinates.

void set_ycoor( const std::vector& y_coor )

Updates x-coordinates.

void set_weight( const std::vector& weight )

Updates y-coordinates.

void fit()

Updates weights.

double a()

Execute fitting.

double xg()

Return the slope of the line.

double yg()

Return x of the center of gravity.

double chi2()

Return y of the center of gravity.

double sa()

Return the chi2.

double sg()

Return the variance of the slope.

double _a

Return the variance of the center of gravity.

double _xg

Slope.

double _yg

x of center of gravity.

double _sa

y of center of gravity.

double _sg

variance of the slope.

double _chi2

variance of y of center of gravity.

std::vector _xcoor

Chi2.

std::vector _ycoor

Vector of x-coordinates.

std::vector _weight

Vector of y-coordinates.

bool _suppress_zero

Vector of weights.

inline double LineFitterCwt::a()

Return slope.

inline double LineFitterCwt::chi2()

Return the chi2.

inline double LineFitterCwt::sa()

Return variance of the slope.

inline void LineFitterCwt::set_weight( const std::vector& weight )

Update weights.

inline void LineFitterCwt::set_xcoor( const std::vector& x_coor )

Update x-coordinates.

inline void LineFitterCwt::set_ycoor( const std::vector& y_coor )

Update y-coordinates.

inline double LineFitterCwt::sg()

Return variance of y of center of gravity.

inline double LineFitterCwt::xg()

Return x of center of gravity.

inline double LineFitterCwt::yg()

Return y of center of gravity.

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