CheckVariance Class Reference

#include <QTest.h>

Inheritance diagram for CheckVariance:

Public Member Functions
	CheckVariance (const std::string &name)
float	runTest (const MonitorElement *me) override
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
	get test status More...
void	init ()
	initialize values More...
	QCriterion (std::string qtname)
float	runTest (const MonitorElement *me, QReport &qr, DQMNet::QValue &qv)
void	setErrorProb (float prob)
void	setWarningProb (float prob)
	set probability limit for warning and error (default: 90% and 50%) More...
virtual	~QCriterion ()=default

Static Public Member Functions
static std::string	getAlgoName ()
	get algorithm name More...

Additional Inherited Members
Public Types inherited from QCriterion
typedef dqm::legacy::MonitorElement	MonitorElement
	(class should be created by DQMStore class) More...
Static Public Attributes inherited from QCriterion
static const float	ERROR_PROB_THRESHOLD = 0.50
static const float	WARNING_PROB_THRESHOLD = 0.90
	default "probability" values for setting warnings & errors when running tests More...
Protected Member Functions inherited from SimpleTest
void	setMessage () override
	set status & message after test has run More...
Protected Member Functions inherited from QCriterion
void	setAlgoName (std::string name)
	set algorithm name More...
void	setVerbose (int verbose)
	probability limits for warnings, errors More...
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...

Detailed Description

Definition at line 705 of file QTest.h.

Constructor & Destructor Documentation

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

inline

Definition at line 707 of file QTest.h.

References getAlgoName(), and QCriterion::setAlgoName().

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

Member Function Documentation

static std::string CheckVariance::getAlgoName ( )

inlinestatic

get algorithm name

Definition at line 709 of file QTest.h.

Referenced by CheckVariance(), and QualityTester::makeQCriterion().

{ return "CheckVariance"; }

float CheckVariance::runTest ( const MonitorElement *  me )

overridevirtual

Reimplemented from QCriterion.

Definition at line 1357 of file QTest.cc.

References newFWLiteAna::bin, relmon_rootfiles_spy::contents, gather_cfg::cout, dqm::impl::MonitorElement::getFullname(), dqm::legacy::MonitorElement::getRootObject(), dqm::legacy::MonitorElement::getTH1D(), dqm::legacy::MonitorElement::getTH1F(), dqm::legacy::MonitorElement::getTProfile(), h, dqm::impl::MonitorElement::kind(), MonitorElementData::TH1D, MonitorElementData::TH1F, and MonitorElementData::TPROFILE.

                                                     {
  badChannels_.clear();

  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";
  // -- TH1F
  if (me->kind() == MonitorElement::Kind::TH1F) {
    h = me->getTH1F();
  }
  // -- TH1D
  else if (me->kind() == MonitorElement::Kind::TH1D) {
    h = me->getTH1D();
  } else if (me->kind() == MonitorElement::Kind::TPROFILE) {
    h = me->getTProfile();  // access Test histo
  } else {
    if (verbose_ > 0)
      std::cout << "QTest:CheckVariance"
                << " ME " << me->getFullname() << " does not contain TH1F/TH1D/TPROFILE, exiting\n";
    return -1;
  }

  int ncx = h->GetXaxis()->GetNbins();

  double sum = 0;
  double sum2 = 0;
  for (int bin = 1; bin <= ncx; ++bin) {
    double contents = h->GetBinContent(bin);
    sum += contents;
  }
  if (sum == 0)
    return -1;
  double avg = sum / ncx;

  for (int bin = 1; bin <= ncx; ++bin) {
    double contents = h->GetBinContent(bin);
    sum2 += (contents - avg) * (contents - avg);
  }

  double Variance = TMath::Sqrt(sum2 / ncx);
  return Variance;
}