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RatePlots Struct Reference

#include <HLTriggerOffline/BJet/interface/RatePlots.h>

List of all members.

Public Member Functions
std::pair< double, double >	confidence (unsigned int level, double conf=0.683) const
double	efficiency (unsigned int level) const
void	fill (unsigned int level)
void	init (const std::string &name, const std::string &title, unsigned int levels)
unsigned int	rate (unsigned int level) const
	RatePlots ()
void	save (TDirectory &file)
std::pair< double, double >	stepConfidence (unsigned int level, double conf=0.683) const
double	stepEfficiency (unsigned int level) const
Public Attributes
TH1 *	m_rates

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Detailed Description

Definition at line 19 of file RatePlots.h.

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Constructor & Destructor Documentation

RatePlots::RatePlots

(

)

[inline]

Definition at line 20 of file RatePlots.h.

              :
    m_rates(0)
  { }

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Member Function Documentation

std::pair<double, double> RatePlots::confidence	(	unsigned int	level,
		double	conf = 0.683
	)			const [inline]

Definition at line 115 of file RatePlots.h.

References dbtoconf::conf, confidence::confidence_binomial_jeffreys_modified(), m_rates, and t.

Referenced by HLTBtagLifetimeAnalyzer::endJob().

  {
    confidence::interval t;
    if (level == 0)
      t = std::make_pair(1., 1.);
    else if (level > (unsigned int) m_rates->GetNbinsX())
      t = std::make_pair(NAN, NAN);
    else if (m_rates->GetBinContent( 1 ) == 0)
      t = std::make_pair(0., 1.);
    else
      t = confidence::confidence_binomial_jeffreys_modified((int) m_rates->GetBinContent( 1 ), (int) m_rates->GetBinContent( level+1 ), conf);
    return t;
  }

double RatePlots::efficiency

(

unsigned int

level

)

const [inline]

Definition at line 97 of file RatePlots.h.

References m_rates, and value.

Referenced by HLTBtagLifetimeAnalyzer::endJob().

  {
    double value = 0.;
    if (level == 0)
      value = 1.;
    else if (level > (unsigned int) m_rates->GetNbinsX())
      value = NAN;
    else if (m_rates->GetBinContent( 1 ) == 0)
      value = NAN;
    else
      value = (m_rates->GetBinContent( level+1 ) / m_rates->GetBinContent( 1 ));
    return value;
  }

void RatePlots::fill

(

unsigned int

level

)

[inline]

Definition at line 42 of file RatePlots.h.

References m_rates.

Referenced by HLTBtagLifetimeAnalyzer::analyze().

  {
    m_rates->Fill(level);
  }

void RatePlots::init	(	const std::string &	name,
		const std::string &	title,
		unsigned int	levels
	)			[inline]

Definition at line 24 of file RatePlots.h.

References m_rates.

Referenced by HLTBtagLifetimeAnalyzer::beginJob().

  {
    // access the shared ROOT file via TFileService
    edm::Service<TFileService> fileservice;
    
    // enable sum-of-squares for all plots
    bool sumw2 = TH1::GetDefaultSumw2();
    TH1::SetDefaultSumw2(true);

    // a path with N filters can have N+1 rates: initial, after the 1st, ... after the Nth filter
    m_rates = fileservice->make<TH1I>((name + "_rates").c_str(), (title + " rates").c_str(), (levels+1), 0, (levels+1));

    // reset sum-of-squares status
    TH1::SetDefaultSumw2(sumw2);
  }

unsigned int RatePlots::rate

(

unsigned int

level

)

const [inline]

Definition at line 49 of file RatePlots.h.

References m_rates, and value.

Referenced by HLTBtagLifetimeAnalyzer::endJob().

  {
    unsigned int value = 0;
    if (level > (unsigned int) m_rates->GetNbinsX())
      value = 0;
    else
      // I *hate* the way ROOT handles bins - it's a capital offence by itself
      value = (unsigned int) m_rates->GetBinContent( level+1 );
    return value;
  }

void RatePlots::save

(

TDirectory &

file

)

[inline]

Definition at line 129 of file RatePlots.h.

References m_rates.

  {
    m_rates->SetDirectory(&file);
  }

std::pair<double, double> RatePlots::stepConfidence	(	unsigned int	level,
		double	conf = 0.683
	)			const [inline]

Definition at line 80 of file RatePlots.h.

References dbtoconf::conf, confidence::confidence_binomial_jeffreys_modified(), m_rates, and t.

Referenced by HLTBtagLifetimeAnalyzer::endJob().

  {
    confidence::interval t;
    if (level == 0)
      t = std::make_pair(1., 1.);
    else if (level > (unsigned int) m_rates->GetNbinsX())
      t = std::make_pair(NAN, NAN);
    else if (m_rates->GetBinContent( level ) == 0)
      t = std::make_pair(0., 1.);
    else
      t = confidence::confidence_binomial_jeffreys_modified((int) m_rates->GetBinContent( level ), (int) m_rates->GetBinContent( level+1 ), conf);
    return t;
  }

double RatePlots::stepEfficiency

(

unsigned int

level

)

const [inline]

Definition at line 62 of file RatePlots.h.

References m_rates, and value.

Referenced by HLTBtagLifetimeAnalyzer::endJob().

  {
    double value = 0.;
    if (level == 0)
      value = 1.;
    else if (level > (unsigned int) m_rates->GetNbinsX())
      value = NAN;
    else if (m_rates->GetBinContent( level ) == 0)
      value = NAN;
    else
      value = (m_rates->GetBinContent( level+1 ) / m_rates->GetBinContent( level ));
    return value;
  }

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Member Data Documentation

TH1* RatePlots::m_rates

Definition at line 134 of file RatePlots.h.

Referenced by confidence(), efficiency(), fill(), init(), rate(), save(), stepConfidence(), and stepEfficiency().

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

• HLTriggerOffline/BJet/interface/RatePlots.h

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