MeanWithinExpected Class Reference

Algorithm for testing if histogram's mean value is near expected value. More...

#include <QTest.h>

Inheritance diagram for MeanWithinExpected:

Public Member Functions
	MeanWithinExpected (const std::string &name)
float	runTest (const MonitorElement *me) override
void	setExpectedMean (double mean)
void	useRange (double xmin, double xmax)
void	useRMS ()
void	useSigma (double expectedSigma)
Public Member Functions inherited from SimpleTest
std::vector< DQMChannel >	getBadChannels () const override
	get vector of channels that failed test (not always relevant!) More...
void	setMinimumEntries (unsigned n)
	set minimum # of entries needed More...
	SimpleTest (const std::string &name, bool keepBadChannels=false)
Public Member Functions inherited from QCriterion
std::string	algoName () const
	get algorithm name More...
std::string	getMessage () const
	get message attached to test More...
std::string	getName () const
	get name of quality test More...
int	getStatus () const
	(class should be created by DQMStore class) More...
void	setErrorProb (float prob)
void	setWarningProb (float prob)
	set probability limit for warning and error (default: 90% and 50%) More...

Static Public Member Functions
static std::string	getAlgoName ()

Protected Attributes
double	expMean_
double	sigma_
bool	useRange_
bool	useRMS_
bool	useSigma_
double	xmax_
double	xmin_
Protected Attributes inherited from SimpleTest
std::vector< DQMChannel >	badChannels_
bool	keepBadChannels_
unsigned	minEntries_
Protected Attributes inherited from QCriterion
std::string	algoName_
	name of quality test More...
float	errorProb_
std::string	message_
	quality test status More...
float	prob_
	name of algorithm More...
std::string	qtname_
int	status_
int	verbose_
float	warningProb_
	message attached to test More...

Additional Inherited Members
Protected Member Functions inherited from SimpleTest
void	setMessage () override
	set status & message after test has run More...
Protected Member Functions inherited from QCriterion
void	init ()
	initialize values More...
	QCriterion (std::string qtname)
float	runTest (const MonitorElement *me, QReport &qr, DQMNet::QValue &qv)
void	setAlgoName (std::string name)
	set algorithm name More...
void	setVerbose (int verbose)
	probability limits for warnings, errors More...
virtual	~QCriterion ()=default

Detailed Description

Algorithm for testing if histogram's mean value is near expected value.

Definition at line 516 of file QTest.h.

Constructor & Destructor Documentation

MeanWithinExpected::MeanWithinExpected ( const std::string &  name )

inline

Definition at line 519 of file QTest.h.

References QCriterion::setAlgoName().

                                            : SimpleTest(name)
  {
    setAlgoName(getAlgoName());
  }

Member Function Documentation

static std::string MeanWithinExpected::getAlgoName ( )

inlinestatic

Definition at line 523 of file QTest.h.

References QCriterion::runTest().

Referenced by QTestConfigure::EnableMeanWithinExpectedTest(), QTestConfigure::enableTests(), and QTestParameterNames::QTestParameterNames().

{ return "MeanWithinExpected"; }

float MeanWithinExpected::runTest ( const MonitorElement *  me )

overridevirtual

Reimplemented from QCriterion.

Definition at line 1735 of file QTest.cc.

References gather_cfg::cout, MonitorElement::DQM_KIND_TH1D, MonitorElement::DQM_KIND_TH1F, MonitorElement::DQM_KIND_TH1S, MonitorElement::getEntries(), MonitorElement::getFullname(), MonitorElement::getRootObject(), MonitorElement::getTH1D(), MonitorElement::getTH1F(), MonitorElement::getTH1S(), MonitorElement::kind(), and SiStripPI::mean.

{
  if (!me) 
    return -1;
  if (!me->getRootObject()) 
    return -1;
  TH1* h=nullptr;
   
  if (verbose_>1) 
    std::cout << "QTest:" << getAlgoName() << "::runTest called on " 
              << me-> getFullname() << "\n";

  if (minEntries_ != 0 && me->getEntries() < minEntries_) return -1;

  if (me->kind()==MonitorElement::DQM_KIND_TH1F) 
  { 
    h = me->getTH1F(); //access Test histo
  }
  else if (me->kind()==MonitorElement::DQM_KIND_TH1S) 
  { 
    h = me->getTH1S(); //access Test histo
  }
  else if (me->kind()==MonitorElement::DQM_KIND_TH1D) 
  { 
    h = me->getTH1D(); //access Test histo
  }
  else {
    if (verbose_>0) 
      std::cout << "QTest:MeanWithinExpected"
                << " ME " << me->getFullname() 
                << " does not contain TH1F/TH1S/TH1D, exiting\n"; 
    return -1;
  } 
 
  
  if (useRange_) {
    double mean = h->GetMean();
    if (mean <= xmax_ && mean >= xmin_) 
      return 1;
    else
      return 0;
  }
  else if (useSigma_) 
  {
    if (sigma_ != 0.) 
    {
      double chi = (h->GetMean() - expMean_)/sigma_;
      return TMath::Prob(chi*chi, 1);
    }
    else
    {
      if (verbose_>0) 
        std::cout << "QTest:MeanWithinExpected"
                  << " Error, sigma_ is zero, exiting\n";
      return 0;
    }
  }
  else if (useRMS_) 
  {
    if (h->GetRMS() != 0.) 
    {
      double chi = (h->GetMean() - expMean_)/h->GetRMS();
      return TMath::Prob(chi*chi, 1);
    }
    else
    {
      if (verbose_>0) 
        std::cout << "QTest:MeanWithinExpected"
                  << " Error, RMS is zero, exiting\n";
      return 0;
    }
  }
  else {
    if (verbose_>0) 
      std::cout << "QTest:MeanWithinExpected"
                << " Error, neither Range, nor Sigma, nor RMS, exiting\n";
    return -1; }
}

void MeanWithinExpected::setExpectedMean ( double  mean )

inline

Definition at line 526 of file QTest.h.

References SiStripPI::mean, TrackerOfflineValidation_Dqm_cff::xmax, and TrackerOfflineValidation_Dqm_cff::xmin.

Referenced by QTestConfigure::EnableMeanWithinExpectedTest().

{ expMean_ = mean; }

void MeanWithinExpected::useRange	(	double	xmin,
		double	xmax
	)

Definition at line 1814 of file QTest.cc.

References gather_cfg::cout, TrackerOfflineValidation_Dqm_cff::xmax, and TrackerOfflineValidation_Dqm_cff::xmin.

Referenced by QTestConfigure::EnableMeanWithinExpectedTest().

{
    useRange_ = true;
    useSigma_ = useRMS_ = false;
    xmin_ = xmin; xmax_ = xmax;
    if (xmin_ > xmax_)  
      if (verbose_>0) 
        std::cout << "QTest:MeanWithinExpected"
                  << " Illogical range: (" << xmin_ << ", " << xmax_ << "\n";
}

void MeanWithinExpected::useRMS

(

)

Definition at line 1835 of file QTest.cc.

Referenced by QTestConfigure::EnableMeanWithinExpectedTest().

{
  useRMS_ = true;
  useSigma_ = useRange_ = false;
}

void MeanWithinExpected::useSigma

(

double

expectedSigma

)

Definition at line 1824 of file QTest.cc.

References gather_cfg::cout.

Referenced by QTestConfigure::EnableMeanWithinExpectedTest().

{
  useSigma_ = true;
  useRMS_ = useRange_ = false;
  sigma_ = expectedSigma;
  if (sigma_ == 0) 
    if (verbose_>0) 
      std::cout << "QTest:MeanWithinExpected"
                << " Expected sigma = " << sigma_ << "\n";
}

Member Data Documentation

double MeanWithinExpected::expMean_

protected

Definition at line 536 of file QTest.h.

double MeanWithinExpected::sigma_

protected

Definition at line 535 of file QTest.h.

bool MeanWithinExpected::useRange_

protected

Definition at line 534 of file QTest.h.

bool MeanWithinExpected::useRMS_

protected

Definition at line 532 of file QTest.h.

bool MeanWithinExpected::useSigma_

protected

Definition at line 533 of file QTest.h.

double MeanWithinExpected::xmax_

protected

Definition at line 537 of file QTest.h.

double MeanWithinExpected::xmin_

protected

Definition at line 537 of file QTest.h.