ROOT Forum

Topic	Replies	Views	Activity
Newbie forum for when you're not sure News If you’re new to ROOT, C++, data analysis etc, and you hesitate with asking your question then please ask it in the Newbie section, where nice people help and we have special rules to be more welcoming. Don’t hesitate,…	3	5522	September 24, 2018
Welcome to the ROOT forum! News	2	3399	February 10, 2017
Fixing the value of the sum of multiple parameters Newbie	5	38	September 20, 2020
Error trying to graph " can't open display" ROOT	4	40	September 19, 2020
TTrees not hadding properly Newbie tree , root	1	9	September 19, 2020
Determine if a class is polymorphic at runtime ROOT	4	32	September 19, 2020
ImportError: Failed to import libcppyy3_7. Please check that ROOT has been built for Python 3.7 ROOT	3	27	September 18, 2020
TFile::MakeProject problem with stl objects due to removal of 'using namespace std' ROOT	6	33	September 18, 2020
Saving a fit at a root file Newbie	1	19	September 18, 2020
Get Number of Divisions in a TCanvas Newbie	9	42	September 18, 2020
Problem building TMVA with CUDA TMVA	8	56	September 18, 2020
Some bugs in TMVA MultiClassGui TMVA	5	71	September 18, 2020
Problem with pyroot on macOS 10.15.6 and Python 2.7.16 ROOT root , python	7	39	September 18, 2020
TH3F from ASCII file ROOT	27	118	September 18, 2020
Correct way to initialize array of histograms? Newbie	3	40	September 18, 2020
Alt$(primary,alternate) ROOT tree	6	46	September 17, 2020
Ambiguous 'data' in global scope ROOT	6	36	September 17, 2020
Plotting the variables of a 2D model Roofit and RooStats	8	50	September 17, 2020
Canvas PDF export bad quality ROOT graphics	4	38	September 17, 2020
SetTextSize SetTextSizePixels - Why do my text sizes vary? ROOT	6	625	September 17, 2020
Segmentation fault using new method "AddVariablesArray" TMVA	9	54	September 17, 2020
Reading GDML File in ROOT 6.14 ROOT	17	66	September 17, 2020
Garfield++ installation Cmake Garfield++	5	33	September 17, 2020
How to deal with a null branch by Rdataframe ROOT rdataframe	15	42	September 17, 2020
The chemical potential and collision energy General Chat	1	22	September 17, 2020
Scaling histogram and filling Newbie root , hist	3	35	September 16, 2020
What is LOG_INFO? ROOT	5	36	September 17, 2020
Errors and contours of fit parameters ROOT	8	53	September 17, 2020
Different branches in signal and background trees for TMVA TMVA	2	26	September 16, 2020
Makefile not found in tmva folder TMVA	2	22	September 16, 2020

Newbie forum for when you're not sure

If you’re new to ROOT, C++, data analysis etc, and you hesitate with asking your question then please ask it in the Newbie section, where nice people help and we have special rules to be more welcoming. Don’t hesitate,…