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…	4	19428	February 19, 2025
Welcome to the ROOT forum! News	1	8244	February 10, 2017
How to clean/delete properly RooDataSet in PyROOT? Roofit and RooStats	8	16	March 13, 2026
The VSCode editor cannot find the Garfield++ header file Garfield++	3	12	March 13, 2026
Large changes in branch sizes in later builds of ROOT ROOT root	1	9	March 13, 2026
Roofit - multiple fit different datasets using different PDFs with some shared parameters - ROOT version issue Roofit and RooStats python	1	16	March 13, 2026
ROOT 6.38.04 is out! News	1	27	March 12, 2026
Missing file error when installing in windows Newbie root	4	21	March 11, 2026
Setting kEntriesReshuffled when using RDatasetSpec ROOT tree , python , rdataframe	7	32	March 11, 2026
Fit Convergence with Status 5 Roofit and RooStats	3	23	March 11, 2026
Error about TMVA TMVA	4	32	March 11, 2026
JSROOT: Tooltip callback click handler for TGraphs ROOT jsroot	5	18	March 10, 2026
PyROOT changed handling of multidimensional branches between ROOT 6.32 and 6.34 ROOT	2	40	March 9, 2026
Interest in taking up project Root in Free Theaded Python for GSOC 2026 Newbie	5	98	March 9, 2026
MultiCore implementation with neBEM Garfield++	3	44	March 9, 2026
How to explore RNTuples in the interpreter ROOT	5	42	March 6, 2026
Suppress Penning Transfer G++ Warning? Garfield++ garfield	3	29	March 5, 2026
Besides one dimensional integrals and derivatives, what other types of integrals and derivatives can Root calculate? ROOT	21	85	March 4, 2026
Simplier way to get full statistics of a RVec branch using RDataFrame? ROOT rdataframe	1	17	March 4, 2026
Filtering branches from a large root file fails in 6.32 Newbie tree , root , rdataframe	4	35	March 3, 2026
Title on x axis not visible when SetCanvasPreferGL(True) Newbie	3	18	March 3, 2026
Splot with fixed yield Roofit and RooStats	1	23	March 3, 2026
Time difference between two dates ROOT	1	20	March 2, 2026
Problems Loading Root to MacBook ROOT	18	219	March 2, 2026
Minimizer issue: inconsistent results across ROOT versions Roofit and RooStats	4	39	March 2, 2026
PyROOT still not working on macOS ROOT python	2	22	March 2, 2026
Detector calibration GUI Evolution Proposals, Apps & Ideas graphics , gui , python , root	0	23	March 2, 2026
Error in StandardHypoTestInvDemo.C after ROOT 6.32 Roofit and RooStats python , root , roofit	2	18	March 13, 2026
Wrong conversion of bool array to numpy array ROOT root	3	41	March 11, 2026
Missing numpy.uint8 pythonisation in SetBranchAddress in ROOT 6.38 ROOT python	3	44	March 11, 2026

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…