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	19403	February 19, 2025
Welcome to the ROOT forum! News	1	8235	February 10, 2017
Filtering branches from a large root file fails in 6.32 Newbie tree , root , rdataframe	0	3	March 1, 2026
Besides one dimensional integrals and derivatives, what other types of integrals and derivatives can Root calculate? ROOT	15	47	February 27, 2026
Minimizer issue: inconsistent results across ROOT versions Roofit and RooStats	1	16	February 27, 2026
Error in StandardHypoTestInvDemo.C after ROOT 6.32 Roofit and RooStats python , root , roofit	1	14	February 27, 2026
Wrong conversion of bool array to numpy array ROOT root	2	33	February 25, 2026
Missing numpy.uint8 pythonisation in SetBranchAddress in ROOT 6.38 ROOT python	2	32	February 25, 2026
ROOT 6.38.02 is out! News	1	40	February 25, 2026
RDataFrame and suitability for rapid iterative passes through datasets ROOT root , rdataframe	8	72	February 24, 2026
How to set fit range in simultaneous fit? Roofit and RooStats roofit	2	31	February 24, 2026
Interest in taking up project Root in Free Theaded Python for GSOC 2026 Newbie	3	66	February 23, 2026
Advanced ROOT Plotting GUI Evolution Proposals, Apps & Ideas	8	64	February 22, 2026
What are the most difficult C++ topics to learn? Newbie	5	93	February 22, 2026
Downloading root_v6.36.08.macos-26.2-arm64-clang170.pkg with Safari fails due to too little space on HD Newbie	3	18	February 18, 2026
Is there non blocking equivalent to TMethodCall::Execute? Cling	10	69	February 16, 2026
Problems Loading Root to MacBook ROOT	16	182	February 16, 2026
Ideal way to filter common events between two trees? ROOT	4	35	March 1, 2026
How to add missing package required for Minuit2 General Chat	3	27	February 14, 2026
Formula is invalid and not ready to execute ROOT	3	25	February 27, 2026
Cling JIT error on ROOT.Garfield.RndmUniform() Newbie	2	31	February 12, 2026
Garfield++ source code contribution Garfield++	4	46	February 26, 2026
TEfficiency with Log Scale? ROOT graphics , hist , root	7	19	February 25, 2026
Ratio plot axis titles root 6.38 ROOT root	12	45	February 25, 2026
Implement customized code in a ROOT file Newbie	8	46	February 11, 2026
Setting default value for column of type Char_t Newbie python , rdataframe	1	19	February 10, 2026
Installing error. Path too long installer unable to modify path Newbie root , windows , installation	5	1726	February 9, 2026
Installation error at make step Garfield++	12	58	February 22, 2026
What do I have to type on the Root command line (after opening root.exe) to solve / evaluate a one dimensional integral / derivative? ROOT root	7	25	February 22, 2026
TCanvas frame showing ROOT	6	38	February 20, 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…