RunningStat Class Reference

#include <TileLaserDefaultCalibTool.h>

Collaboration diagram for RunningStat:

Public Member Functions
	RunningStat ()
void	Clear ()
void	Push (double x)
int	NumDataValues () const
double	Mean () const
double	Variance () const
double	StandardDeviation () const
int	EventsPerSlice ()
double	Mean (unsigned int iSlice)
double	Variance (unsigned int iSlice)
int	GetNSlices ()

Private Attributes
int	m_n
double	m_oldM
double	m_newM
double	m_oldS
double	m_newS
int	m_nTotEntries
int	m_n_slice
double	m_oldM_slice
double	m_newM_slice
double	m_oldS_slice
double	m_newS_slice
int	m_eventsPerSlice
std::vector< double >	m_vectMean
std::vector< double >	m_vectVar

Detailed Description

Definition at line 232 of file TileLaserDefaultCalibTool.h.

Constructor & Destructor Documentation

RunningStat()

RunningStat::RunningStat ( )

inline

Definition at line 236 of file TileLaserDefaultCalibTool.h.

                  : m_n(0), m_oldM(0), m_newM(0), m_oldS(0), m_newS(0), m_nTotEntries(0),
                    m_n_slice(0), m_oldM_slice(0), m_newM_slice(0), m_oldS_slice(0), m_newS_slice(0), m_eventsPerSlice(1000) {}

Member Function Documentation

Clear()

void RunningStat::Clear ( )

inline

Definition at line 239 of file TileLaserDefaultCalibTool.h.

                 {
        m_n = 0;
    }

EventsPerSlice()

int RunningStat::EventsPerSlice ( )

inline

Definition at line 283 of file TileLaserDefaultCalibTool.h.

{ return m_eventsPerSlice;}

GetNSlices()

int RunningStat::GetNSlices ( )

inline

Definition at line 295 of file TileLaserDefaultCalibTool.h.

                           {
        return m_vectVar.size();
    }

Mean() [1/2]

double RunningStat::Mean ( ) const

inline

Definition at line 280 of file TileLaserDefaultCalibTool.h.

{ return (m_n > 0) ? m_newM : 0.0; }

Mean() [2/2]

double RunningStat::Mean ( unsigned int iSlice )

inline

Definition at line 285 of file TileLaserDefaultCalibTool.h.

                                           { 
        if ( iSlice<m_vectMean.size() ) return m_vectMean[iSlice];
        return 0;
    } 

NumDataValues()

int RunningStat::NumDataValues ( ) const

inline

Definition at line 279 of file TileLaserDefaultCalibTool.h.

{ return m_nTotEntries;}

Push()

void RunningStat::Push ( double x )

inline

Definition at line 244 of file TileLaserDefaultCalibTool.h.

                        {
        m_n++;
        m_n_slice++;
        m_nTotEntries++;
        
        if (m_n == 1) {
            m_oldM = m_newM = x;
            m_oldS = 0.0;
        } else {
            m_newM = m_oldM + (x - m_oldM)/m_n;
            m_newS = m_oldS + (x - m_oldM)*(x - m_newM);
   
            // set up for next iteration
            m_oldM = m_newM; 
            m_oldS = m_newS;
        }
 
        //--- for slicing
        if (m_n_slice == 1) {
            m_oldM_slice = m_newM_slice = x;
            m_oldS_slice = 0.0;
        } else {
            m_newM_slice = m_oldM_slice + (x - m_oldM_slice)/m_n_slice;
            m_newS_slice = m_oldS_slice + (x - m_oldM_slice)*(x - m_newM_slice);
            m_oldM_slice = m_newM_slice; 
            m_oldS_slice = m_newS_slice;
        }
        
        if( m_n_slice==m_eventsPerSlice ) {
            m_vectMean.push_back( (m_n_slice > 0) ? m_newM_slice : 0.0 );
            m_vectVar.push_back( (m_n_slice > 1) ? m_newS_slice/(m_n_slice - 1) : 0.0 );
            m_n_slice=0;
        }
    }

StandardDeviation()

double RunningStat::StandardDeviation ( ) const

inline

Definition at line 282 of file TileLaserDefaultCalibTool.h.

{ return sqrt( Variance() ); }

Variance() [1/2]

double RunningStat::Variance ( ) const

inline

Definition at line 281 of file TileLaserDefaultCalibTool.h.

{ return ( (m_n > 1) ? m_newS/(m_n - 1) : 0.0 ); }

Variance() [2/2]

double RunningStat::Variance ( unsigned int iSlice )

inline

Definition at line 290 of file TileLaserDefaultCalibTool.h.

                                               { 
        if (iSlice<m_vectVar.size()) return m_vectVar[iSlice];
        return 0;
    }

Member Data Documentation

m_eventsPerSlice

int RunningStat::m_eventsPerSlice

private

Definition at line 306 of file TileLaserDefaultCalibTool.h.

m_n

int RunningStat::m_n

private

Definition at line 301 of file TileLaserDefaultCalibTool.h.

m_n_slice

int RunningStat::m_n_slice

private

Definition at line 304 of file TileLaserDefaultCalibTool.h.

m_newM

double RunningStat::m_newM

private

Definition at line 302 of file TileLaserDefaultCalibTool.h.

m_newM_slice

double RunningStat::m_newM_slice

private

Definition at line 305 of file TileLaserDefaultCalibTool.h.

m_newS

double RunningStat::m_newS

private

Definition at line 302 of file TileLaserDefaultCalibTool.h.

m_newS_slice

double RunningStat::m_newS_slice

private

Definition at line 305 of file TileLaserDefaultCalibTool.h.

m_nTotEntries

int RunningStat::m_nTotEntries

private

Definition at line 303 of file TileLaserDefaultCalibTool.h.

m_oldM

double RunningStat::m_oldM

private

Definition at line 302 of file TileLaserDefaultCalibTool.h.

m_oldM_slice

double RunningStat::m_oldM_slice

private

Definition at line 305 of file TileLaserDefaultCalibTool.h.

m_oldS

double RunningStat::m_oldS

private

Definition at line 302 of file TileLaserDefaultCalibTool.h.

m_oldS_slice

double RunningStat::m_oldS_slice

private

Definition at line 305 of file TileLaserDefaultCalibTool.h.

m_vectMean

std::vector<double> RunningStat::m_vectMean

private

Definition at line 307 of file TileLaserDefaultCalibTool.h.

m_vectVar

std::vector<double> RunningStat::m_vectVar

private

Definition at line 307 of file TileLaserDefaultCalibTool.h.

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The documentation for this class was generated from the following file:

• TileLaserDefaultCalibTool.h