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 to ask 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, jus…	2	14651	September 24, 2018
Welcome to the ROOT forum! News	1	6981	February 10, 2017
Writing Streamer for I/O of a custom class ROOT io , root	13	147	December 7, 2023
Thresold set up in Yaxis count in histogram ROOT root	0	7	December 7, 2023
Applying cuts to histogram without having a TTree branch Newbie	0	10	December 7, 2023
Compilation Error when submitting to CERN's cluster Newbie	2	111	June 2, 2023
Remove background linearly and find Peaks ROOT	1	18	December 7, 2023
RooFit NumCPU in PyROOT Roofit and RooStats python	2	32	December 7, 2023
The relationship between uncertainty of diffusion parameters and the number of collisions Garfield++	2	16	December 7, 2023
How to set charge/cluster density along the track manually? Garfield++	3	27	December 7, 2023
ComponentComsol::ElectricField: Field map not yet initialised Garfield++	1	13	December 7, 2023
Problem with cloning and fitting TGraph ROOT root	5	38	December 7, 2023
Error with TPad Roofit and RooStats	3	15	December 7, 2023
Discrepancy in 2D HistFactory fit results between ROOT versions (6.28/06 vs. Nightlies) with Beeston-Barlow method activated Roofit and RooStats	5	74	December 7, 2023
Running root macros with multiple (2+) arguments from the shell/Terminal directly from a script Newbie root	3	15	December 7, 2023
Problem in reading ROOT Trees and Branches Newbie tree , root	1	15	December 7, 2023
Add branches to TTree for a file opened with RDataFrame Newbie	2	57	December 7, 2023
Gitlab CI using ROOT ROOT	11	96	December 7, 2023
Piecewise RooGenericPdf Roofit and RooStats python , root , roofit	1	19	December 7, 2023
Why the IMT spend more time than sequence mode? ROOT	3	44	December 7, 2023
The deviation of diffusion coefficients each run Garfield++	6	26	December 7, 2023
ROOT cannot be called in VS Code Newbie root	32	88	December 6, 2023
Greek letters fedora 39 ROOT	15	95	December 6, 2023
What is the Easiest Way to Merge a Large Number of Small ROOT files each containing multiple TTrees? ROOT	2	33	December 6, 2023
Unable to open TCanvas ROOT	4	31	December 6, 2023
TTreeReaderArray: [...] vs ->At(...) ROOT	1	24	December 6, 2023
Print (to hardware printer) bottom doesn't work on GUI ROOT root	10	23	December 6, 2023
Number of signal & bg events and yield for comparison Roofit and RooStats root	2	37	December 6, 2023
Filling RooDataSet with vectors? Roofit and RooStats	5	33	December 6, 2023
Problems plotting individual components with RooFit/HistFactory Roofit and RooStats	9	327	December 6, 2023

Newbie forum for when you're not sure

If you’re new to ROOT, C++, data analysis etc, and you hesitate to ask 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, jus…