Dear experts,
After searching a bit, I could not find similar post for this question. I would like to post my question here.
I am currently working on the TMVA applications. Consulting the example code TMVAClassificationApplication.C. It consists of several steps.
- AddVariable
- BookMVA
- EvaluateMVA
In this example code, the interface EvaluateMVA with input TString is used. However, I can find another interface EvaluateMVA making using of std::vector<double>. I am wondering whether I need to call AddVariable if I use the interface with std::vector. How could I properly use this interface?
Many thanks in advance.
Perhaps @moneta can give more information.
Hi,
It is correct you have another interface in the Reader for Evaluate the MVA, where you can pass an std::vector as input. But also in that case you need to call Reader::AddVariable in order to match the method with the saved one in the XML file.
We have however a new class to perform a simple evaluation which internally will set the variables for you. The class is TMVA::Experimental::RReader see ROOT: TMVA::Experimental::RReader Class Reference.
An example for using it is the tutorial ROOT: tutorials/tmva/tmva003_RReader.C File Reference
Lorenzo