plotting.CutEfficiency Class Reference

Public Member Functions
def	__init__ (self, name, histo, title="")
def	__str__ (self)
def	create (self, tdirectory)

Private Attributes
	_histo
	_name
	_title

Detailed Description

Class for making a cut efficiency histograms.

      N after cut
eff = -----------
        N total

Definition at line 898 of file plotting.py.

Constructor & Destructor Documentation

__init__()

def plotting.CutEfficiency.__init__	(		self,
			name,
			histo,
			title = ""
	)

Constructor

Arguments:
name  -- String for name of the resulting histogram
histo -- String for a source histogram (needs to be cumulative)

Definition at line 905 of file plotting.py.

    def __init__(self, name, histo, title=""):
        """Constructor

        Arguments:
        name  -- String for name of the resulting histogram
        histo -- String for a source histogram (needs to be cumulative)
        """
        self._name = name
        self._histo = histo
        self._title = title

Member Function Documentation

__str__()

def plotting.CutEfficiency.__str__

(

self

)

String representation, returns the name

Definition at line 916 of file plotting.py.

References FP420HitsObject._name, TrackerHitsObject._name, PGeometricDet::Item._name, TrackingRecHitAlgorithm._name, Logger._name, hcaldqm::DQModule._name, citk::IsolationConeDefinitionBase._name, WValidation._name, DrellYanValidation._name, hcaldqm::flag::Flag._name, hcaldqm::quantity::Quantity._name, HistoParams< T >._name, CutApplicatorBase._name, HistoParams< TH2F >._name, HistoParams< TProfile2D >._name, SequenceTypes.SequencePlaceholder._name, plotting.Subtract._name, plotting.Transform._name, plotting.FakeDuplicate._name, plotting.CutEfficiency._name, and SequenceTypes._TaskBasePlaceholder._name.

    def __str__(self):
        """String representation, returns the name"""
        return self._name

create()

def plotting.CutEfficiency.create	(		self,
			tdirectory
	)

Create and return the cut efficiency histogram from a TDirectory

Definition at line 920 of file plotting.py.

References plotting._getOrCreateObject(), plotting.Transform._histo, plotting.CutEfficiency._histo, FP420HitsObject._name, TrackerHitsObject._name, PGeometricDet::Item._name, TrackingRecHitAlgorithm._name, Logger._name, hcaldqm::DQModule._name, citk::IsolationConeDefinitionBase._name, WValidation._name, DrellYanValidation._name, hcaldqm::flag::Flag._name, hcaldqm::quantity::Quantity._name, HistoParams< T >._name, CutApplicatorBase._name, HistoParams< TH2F >._name, HistoParams< TProfile2D >._name, SequenceTypes.SequencePlaceholder._name, plotting.Subtract._name, plotting.Transform._name, plotting.FakeDuplicate._name, plotting.CutEfficiency._name, SequenceTypes._TaskBasePlaceholder._name, HistoParams< T >._title, HistoParams< TH2F >._title, SiStripHitEffFromCalibTree._title, HistoParams< TProfile2D >._title, html.PageSet._title, plotting.Subtract._title, html.HtmlReport._title, plotting.Transform._title, plotting.FakeDuplicate._title, plotting.CutEfficiency._title, and FastTimerService_cff.range.

    def create(self, tdirectory):
        """Create and return the cut efficiency histogram from a TDirectory"""
        histo = _getOrCreateObject(tdirectory, self._histo)
        if not histo:
            return None

        # infer cumulative direction from the under/overflow bins
        ascending = histo.GetBinContent(0) < histo.GetBinContent(histo.GetNbinsX())
        if ascending:
            n_tot = histo.GetBinContent(histo.GetNbinsX())
        else:
            n_tot = histo.GetBinContent(0)

        if n_tot == 0:
            return histo

        ret = histo.Clone(self._name)
        ret.SetTitle(self._title)

        # calculate efficiency
        for i in range(1, histo.GetNbinsX()+1):
            n = histo.GetBinContent(i)
            val = n/n_tot
            errVal = math.sqrt(val*(1-val)/n_tot)
            ret.SetBinContent(i, val)
            ret.SetBinError(i, errVal)
        return ret

Member Data Documentation

_histo

plotting.CutEfficiency._histo

private

Definition at line 913 of file plotting.py.

Referenced by plotting.CutEfficiency.create().

_name

plotting.CutEfficiency._name

private

Definition at line 912 of file plotting.py.

Referenced by plotting.CutEfficiency.__str__(), plotting.AggregateBins.__str__(), plotting.AggregateHistos.__str__(), plotting.ROC.__str__(), trackingPlots.TimePerEventPlot.__str__(), trackingPlots.TimePerTrackPlot.__str__(), trackingPlots.TimePerEventPlot._create(), plotting.PlotGroup._drawSeparate(), plotting.PlotGroup._save(), plotting.CutEfficiency.create(), plotting.AggregateBins.create(), plotting.AggregateHistos.create(), trackingPlots.TimePerTrackPlot.create(), plotting.Plot.create(), plotting.PlotGroup.draw(), plotting.Plot.getName(), plotting.PlotGroup.getName(), plotting.PlotterFolder.getName(), plotting.PlotterItem.getName(), plotting.PlotterFolder.getSelectionNameIterator(), validation.SimpleSample.name(), trackingPlots.Iteration.name(), plotting.PlotterItem.readDirs(), plotting.PlotGroup.remove(), and plotting.Plot.setName().

_title

plotting.CutEfficiency._title

private

Definition at line 914 of file plotting.py.

Referenced by plotting.CutEfficiency.create(), and plotting.Plot.create().