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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,…

3 September 24, 2018
Welcome to the ROOT forum! 2 February 10, 2017
Add a new include path to the macro 1 August 21, 2019
Extract diagram data 5 August 21, 2019
Upper limit calculation with uncertainty using Asymptotic Calculator (with CLs) 1 August 21, 2019
Custom build, crash when running the ATLAS example 34 August 21, 2019
Tracking PyRoot calls in Valgrind 4 August 21, 2019
Reading an array of histograms from a file 1 August 21, 2019
Extracting variables from Delphes ROOT file 4 August 21, 2019
Fit Circle to Points 1 August 21, 2019
Problem getting proper value of area after fitting 7 August 21, 2019
Hadd performance question followup 9 August 21, 2019
Failing to open and write .tiff images 5 August 21, 2019
TH1::Fit draw mutliple fits on the same canvas and get the parameters 10 August 21, 2019
Not sure how to use ROOT's Landau Gaussian convolution Fit 4 August 21, 2019
How to merge root files from three different trees? 2 August 21, 2019
TH2 palette value - change display format 11 August 20, 2019
TH3::FitSlicesZ behaving differently in macro (.C) as in ROOT console 1 August 20, 2019
TGraphBentErrors / TGraphPainter: Bent error bars not drawn if error size is smaller than marker size 5 August 20, 2019
Antialising TGraph 5 August 20, 2019
Bug in Python. Or ROOT... PyROOT? 9 August 20, 2019
Draw middle axis for a function 5 August 20, 2019
Making TChain more resilient 2 August 20, 2019
Get bin content from bin label 3 August 20, 2019
TH2 variable binning 6 August 20, 2019
Error bars in macro 4 August 20, 2019
Run a root script from CMD 5 August 20, 2019
Consistency between a histogram and a flux (/cm^2/MeV/s) plot? 5 August 16, 2019
Global Lock when copying Trefs with multiple threads 2 August 20, 2019
Scale histograms in TList 2 August 20, 2019