ROOT Forum

Newbie forum for when you're not sure [News] (3)

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,…

Welcome to the ROOT forum! [News] (2)

Set energy 0 in a sum [ROOT] (13)

Problem with 2D plot values ( 2 3 ) [ROOT] (40)

Empty tree after running the task [ROOT] (3)

Fill style does not display correctly when using RDataFrame.Histo1D with event weight [ROOT] (4)

Updating a weight branch while `hadd`ing [ROOT] (4)

Legend plot problem [ROOT] (5)

Problems with Legend plot [ROOT] (2)

Help Generating Dataset from Nested RooSimultaneous [Roofit and RooStats] (8)

Dictionary errors when using ROOT as a library after moving binary [ROOT] (2)

How to debug macro using the stack trace [Newbie] (5)

Switch the testing and training events [TMVA] (7)

Automatic Scaling of Axis Labels/Titles etc? [ROOT] (6)

Using wildcard in columnList in RDataFrames [ROOT] (4)

Plotting slopes without data points [Newbie] (7)

Plotting distributions of input variables for a specific final state particle [TMVA] (4)

Linking custom classes and namespaces in root macro [ROOT] (11)

TEfficiency, x-axis text labels and scales not persistent [ROOT] (7)

Undefined Reference Compiling [Newbie] (3)

TEveTracks not being drawn in ortographic projection [ROOT] (7)

Getting Values from TTree events [Newbie] (5)

Fit does not include all values [Newbie] (2)

Updating fixed fit parameter values between Minuit2 minimization steps [ROOT] (4)

Cutting on an angle in 2D histogram [ROOT] (2)

TChain->GetEntry() Slow [Newbie] (6)

Retroactively handling multiple Class versions in ROOT files ( 2 ) [ROOT] (29)

Problem running root in a Dropbox directory (input_line_ ... fatal error) [ROOT] (4)

Weird black Background On TLegend [ROOT] (14)

Is there a way to extract the best fit line in fitting a 2D histogram ( 2 ) [Newbie] (23)