Exemplo n.º 1
0
 def dofit(self):
     mi = ModalInterval(self.data)
     mi.setSigmaLevel(1)
     self.mode.setVal(mi.halfSampleMode())
     self.effsigma.setVal(0.5 * mi.length())
     self.bootdata.add(self.bootset)
     resampler = Resampler(self.data)
     for iboot in range(self.nboot):
         mi = ModalInterval(resampler.bootstrap())
         mi.setSigmaLevel(1)
         self.mode.setVal(mi.halfSampleMode())
         self.effsigma.setVal(0.5 * mi.length())
         self.bootdata.add(self.bootset)
     self.mode.setVal(self.bootdata.mean(self.mode))
     self.effsigma.setVal(self.bootdata.mean(self.effsigma))
     self.mode.setError(self.bootdata.rmsVar(self.mode).getVal())
     self.effsigma.setError(self.bootdata.rmsVar(self.effsigma).getVal())
Exemplo n.º 2
0
 def dofit(self):
     mi = ModalInterval(self.data)
     mi.setSigmaLevel(1)
     self.mode.setVal(mi.halfSampleMode())
     self.effsigma.setVal(0.5 * mi.length())
     self.bootdata.add(self.bootset)
     resampler = Resampler(self.data)
     for iboot in range(self.nboot):
         mi = ModalInterval(resampler.bootstrap())
         mi.setSigmaLevel(1)
         self.mode.setVal(mi.halfSampleMode())
         self.effsigma.setVal(0.5 * mi.length())
         self.bootdata.add(self.bootset)
     self.mode.setVal(self.bootdata.mean(self.mode))
     self.effsigma.setVal(self.bootdata.mean(self.effsigma))
     self.mode.setError(self.bootdata.rmsVar(self.mode).getVal())
     self.effsigma.setError(self.bootdata.rmsVar(self.effsigma).getVal())
Exemplo n.º 3
0
 def bootstrap(self, repeat=10):
     nbinsx = len(self.fractions)
     xlow = 0.5 * self.fractions[0]
     xup = self.fractions[-1] + xlow
     errors_rms = ROOT.TProfile(self.name + '_errors_rms', self.title,
                                nbinsx, xlow, xup, 's')
     errors_mi1 = ROOT.TGraphAsymmErrors(nbinsx)
     errors_mi2 = ROOT.TGraphAsymmErrors(nbinsx)
     for graph in [errors_mi1, errors_mi2]:
         graph.SetTitle(self.title)
     resampler = Resampler(self.data)
     bootdata = {}
     for iteration in range(repeat):
         replica = resampler.bootstrap()
         boot = self.get_width_ratio(replica, self.fractions)
         for i in range(boot.GetN()):
             x = boot.GetX()[i]
             y = boot.GetY()[i]
             #y = boot.GetY()[i] - self.width_ratio.GetY()[i]
             errors_rms.Fill(x, y)
             bootdata.setdefault(x, []).append(y)
     for i, (x, ydist) in enumerate(sorted(bootdata.items())):
         ysize = len(ydist)
         yarray = array.array('d', ydist)
         y = ROOT.TMath.Median(ysize, yarray)
         errors_mi1.SetPoint(i, x, y)
         errors_mi2.SetPoint(i, x, y)
         exh = exl = 0.
         mi = ModalInterval(ysize, yarray)
         mi.setSigmaLevel(1)
         eyl = y - mi.lowerBound()
         eyh = mi.upperBound() - y
         errors_mi1.SetPointError(i, exl, exh, eyl, eyh)
         mi.setSigmaLevel(2)
         eyl = y - mi.lowerBound()
         eyh = mi.upperBound() - y
         errors_mi2.SetPointError(i, exl, exh, eyl, eyh)
     return errors_rms, errors_mi1, errors_mi2
Exemplo n.º 4
0
 def bootstrap(self, repeat=10):
     nbinsx = len(self.fractions)
     xlow = 0.5 * self.fractions[0]
     xup = self.fractions[-1] + xlow
     errors_rms = ROOT.TProfile(self.name + '_errors_rms', self.title, 
                                nbinsx, xlow, xup, 's')
     errors_mi1 = ROOT.TGraphAsymmErrors(nbinsx)
     errors_mi2 = ROOT.TGraphAsymmErrors(nbinsx)
     for graph in [errors_mi1, errors_mi2]:
         graph.SetTitle(self.title)
     resampler = Resampler(self.data)
     bootdata = {}
     for iteration in range(repeat):
         replica = resampler.bootstrap()
         boot = self.get_width_ratio(replica, self.fractions)
         for i in range(boot.GetN()):
             x = boot.GetX()[i]
             y = boot.GetY()[i]
             #y = boot.GetY()[i] - self.width_ratio.GetY()[i]
             errors_rms.Fill(x, y)
             bootdata.setdefault(x, []).append(y)
     for i, (x, ydist) in enumerate(sorted(bootdata.items())):
         ysize = len(ydist)
         yarray = array.array('d', ydist)
         y = ROOT.TMath.Median(ysize, yarray)
         errors_mi1.SetPoint(i, x, y)
         errors_mi2.SetPoint(i, x, y)
         exh = exl = 0.
         mi = ModalInterval(ysize, yarray)
         mi.setSigmaLevel(1)
         eyl = y - mi.lowerBound()
         eyh = mi.upperBound() - y
         errors_mi1.SetPointError(i, exl, exh, eyl, eyh)
         mi.setSigmaLevel(2)
         eyl = y - mi.lowerBound()
         eyh = mi.upperBound() - y
         errors_mi2.SetPointError(i, exl, exh, eyl, eyh)
     return errors_rms, errors_mi1, errors_mi2