ROOT Forum

Topic	Replies	Views	Activity
Boost to COM frame with LorentzBoost ROOT math	2	1258	February 22, 2021
Problem with different weights TMVA TMVA	1	272	February 8, 2021
How to print out my fit result on the plot? Here is my program below. And I cannot find the error ROOT	5	180	February 22, 2021
What's the meaning of "Prob" in fit result? ROOT	2	407	February 22, 2021
Problem with significant figures ROOT	4	254	February 19, 2021
Cannot draw when I doesn't using root prompt ROOT	3	454	February 19, 2021
Example on how to do a different scaling on the value axis ROOT hist	2	222	February 19, 2021
Where to find the parameter of the function Draw() of TF2 class? ROOT	4	736	February 5, 2021
How to put multiple lines on the same TGraph ROOT	2	580	February 18, 2021
Problem Macro crashes ROOT	7	365	February 18, 2021
Non closed tessellated object - wrong TGeoNode? Geometry	2	194	February 18, 2021
Empty root leaves Roofit and RooStats tree , hist	8	513	February 18, 2021
Reduce TGraph point Newbie	10	557	February 4, 2021
Add cuts for tree in pyroot ROOT tree , python , root	3	892	February 18, 2021
GUI size in ROOT ROOT	7	562	February 18, 2021
Storing information (string) in a TTree filled with event variables ROOT tree	4	529	February 18, 2021
How to set Y axis in hstack? ROOT python	3	328	February 18, 2021
How to set TPad as transparent? ROOT	2	701	February 18, 2021
Root files merging script (for file size > 100GB) does not close the root file General Chat tree , root	2	529	February 3, 2021
Problem building root 6.22.06 from source ROOT	4	721	February 17, 2021
Uniform ways of adding branches in pyROOT ROOT tree , python	7	820	February 17, 2021
Binary installation of ROOT with MacOS 11.1 General Chat	11	930	February 3, 2021
How to use RDataFrame in pyROOT to loop events and calculate weighted efficiency? ROOT python , rdataframe	9	2284	February 17, 2021
With RDataFrame and python, how to fill an array in to a tree and save the tree ROOT tree , hist , python , rdataframe	2	792	February 17, 2021
Finding the Tree name in a .root file Newbie tree , hist	9	2597	February 3, 2021
Creating and Sorting Vectors of Collections ROOT vecops , rdataframe	27	1947	February 17, 2021
Copy a hist from a tree Newbie hist	4	386	February 3, 2021
Crash at filling tree ROOT	3	454	February 17, 2021
Caching Three before writing ROOT tree	19	346	February 16, 2021
How to draw random numbers from a probability density given in ROOT::Math? ROOT	7	716	February 16, 2021