Adding fit parameters into statistical box

ROOT
2

[code] gStyle->SetOptFit(1);
h_ccd_CTE_L->SetOption(“p”);

TF1 *pol1_LCCD = new TF1(“pol1”,“pol1”,lower_x_hist_cte,upper_x_hist_cte);
h_ccd_CTE_L->Fit(pol1_LCCD,“R”);

gPad->Modified(); gPad->Update(); // make sure it’s (re)drawn

// https://root.cern.ch/root/html/TPaveStats.html
TPaveStats st = (TPaveStats)h_ccd_CTE_L->FindObject(“stats”);
st->SetX1NDC(0.7);
st->SetX2NDC(0.99);
st->SetY1NDC(0.2);
st->SetY2NDC(0.5);

st->SetName(“mystats”);
h_ccd_CTE_L->SetStats(0);
TList *list = st->GetListOfLines();
TLatex *myt = new TLatex(0, 0, “Test = 10”);
myt ->SetTextFont(42);
myt ->SetTextSize(0.04);
myt ->SetTextColor(kRed);
list->Add(myt);

gPad->Modified(); gPad->Update(); // make sure it’s (re)drawn[/code]