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C++ TFitResultPtr::GetConfidenceIntervals方法代码示例

本文整理汇总了C++中TFitResultPtr::GetConfidenceIntervals方法的典型用法代码示例。如果您正苦于以下问题:C++ TFitResultPtr::GetConfidenceIntervals方法的具体用法?C++ TFitResultPtr::GetConfidenceIntervals怎么用?C++ TFitResultPtr::GetConfidenceIntervals使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TFitResultPtr的用法示例。


在下文中一共展示了TFitResultPtr::GetConfidenceIntervals方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: TLatex

//---------------------------------------------------------------
double *treat(TString fileData, double lumi, TString decay, vector<double> mtop, vector<double> xlim, int binned, TString date, TString version) 
//---------------------------------------------------------------
{
  //TString indir = date+"/v"+version+"/";
  TString indir = date+"/"+version+"/";
  TString outdir = indir;
  TString channel = " + Jets channel";
  if (fileData.Contains("ElectronHad")) {
    outdir += "CalibEl/";
    indir += "MyAnaEl/";
    if (decay.Contains("semi", TString::kIgnoreCase))
      channel = "e"+channel;
    if (decay.Contains("di", TString::kIgnoreCase))
      channel = "ee/e#mu"+channel;
    if (decay.Contains("all", TString::kIgnoreCase))
      channel = "e/ee/e#mu"+channel;
  }
  if (fileData.Contains("MuHad")) {
    outdir += "CalibMu/";
    indir += "MyAnaMu/";
    if (decay.Contains("semi", TString::kIgnoreCase))
      channel = "#mu"+channel;
    if (decay.Contains("di", TString::kIgnoreCase))
      channel = "#mu#mu/#mue"+channel;
    if (decay.Contains("all", TString::kIgnoreCase))
      channel = "#mu/#mu#mu/#mue"+channel;
  }
  if (fileData.Contains("Run2012")) {
    outdir += "CalibAll/";
    indir += "MyAnaAll/";
    if (decay.Contains("semi", TString::kIgnoreCase))
      channel = "e/#mu"+channel;
    if (decay.Contains("di", TString::kIgnoreCase))
      channel = "ee/#mu#mu/e#mu"+channel;
    if (decay.Contains("all", TString::kIgnoreCase))
      channel = "e/#mu/ee/#mu#mu/e#mu"+channel;
  }
  gROOT->ProcessLine(".! mkdir "+outdir);
  TLatex* channel_tex = new TLatex(0.22, 0.9, channel);
  channel_tex->SetNDC(true);
  channel_tex->SetTextFont(43);
  channel_tex->SetTextSize(TITLE_FONTSIZE - 6);

  const unsigned int numberOfPoints = mtop.size(); 
  double x[numberOfPoints], ex[numberOfPoints];
  double y[numberOfPoints], ey[numberOfPoints];

  for (unsigned int itop = 0; itop < numberOfPoints; itop++) {
    TString fileMC = TString::Format("All_%d_5.root", (int)mtop[itop]);
    //TString fileMC = TString::Format("TTJets_MSDecays_JpsiFilter_%d_5.root", (int)mtop[itop]);
    double *mean_err = new double[2];
    if (binned < 2)
      mean_err = unbinnedFit(indir+fileMC, xlim, mtop[itop], channel_tex, outdir, lumi);
    if (binned == 2)
      mean_err = binnedFit(indir+fileMC, xlim, mtop[itop], channel_tex, outdir, lumi);
    y[itop] = mean_err[0];
    ey[itop] = mean_err[1];
    x[itop] = mtop[itop]+0.5;
    ex[itop] = 0.;
  }

  TGraphErrors *gr = new TGraphErrors(numberOfPoints, x, y, ex, ey);

  TFitResultPtr fitptr = gr->Fit("pol1", "FSQ", "");
  TF1 *fit = gr->GetFunction("pol1");
  double yinte = fitptr->Parameter(0);
  double errYinte = fitptr->ParError(0);
  double slope = fitptr->Parameter(1);
  double errSlope = fitptr->ParError(1);
  double chi2 = fitptr->Chi2();
  double ndf = fitptr->Ndf();

  double err_up[numberOfPoints];
  double err_down[numberOfPoints];
  double err_val[numberOfPoints];
  fitptr->GetConfidenceIntervals(numberOfPoints, 1, 1, x, err_val, 0.68);
  for(unsigned int itop = 0; itop < numberOfPoints; itop++) {
    double error = err_val[itop];
    err_up[itop] = fit->Eval(x[itop]) + error;
    err_down[itop] = fit->Eval(x[itop]) - error;
  }

  TGraph *gr_up = new TGraph(numberOfPoints,x,err_up);
  gr_up->Fit("pol2","FQ","");
  TF1 *fit_up = gr_up->GetFunction("pol2");
  TGraph *gr_down = new TGraph(numberOfPoints,x,err_down);
  gr_down->Fit("pol2","FQ","");
  TF1 *fit_down = gr_down->GetFunction("pol2");  

  TLegend *leg_calib = new TLegend(0.2,0.75,0.65,0.83,NULL,"brNDC");
  leg_calib->SetTextSize(0.04);
  leg_calib->AddEntry(gr,TString::Format("Slope of %.2f #pm %.2f", slope, errSlope),"lp");
  leg_calib->SetHeader("Calibration curve");

  // Blinded analysis 
  
  TCanvas *cn_calib = new TCanvas("cn_calib", "cn_calib", 800, 800);
  cn_calib->cd();
  grapherrors_myStyle(gr,"gr",2,30,1,30,1001,-1111,-1111,510,510,21,36,1.,"M_{t} (GeV)","M_{J/#psi+l} (GeV)");
//.........这里部分代码省略.........
开发者ID:ebouvier,项目名称:UserCode,代码行数:101,代码来源:calib.C


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