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BDTLib

This is a BDT package written in C++ that currently depends upon ROOT, a particle physics data analysis package. It was designed to improve the momentum assignment in the CSCTF, a subsystem of a particle physics detector at the Large Hadron Collider.

To Do

• Disentangle from ROOT: Need something to read/write XML besides ROOT. Make ROOT XML standalone and include it?
• Also need to replace TMath, TRandom, etc to get rid of ROOT dependence
• Parallelize the code
• Change event data structure
• Check to see if the BDT outperforms TMVA on the same dataset
• Compare running times for training and evaluation to TMVA on the same dataset w/ different number of vars
• Is it possible to speed up the training, besides parallelization?
• Where does the large(?) memory usage come from? Not sure how this compares to other algorithms.
• Write up some intro documentation about BDTs in general
• Test the binary classification and huber loss functions for correctness
• Integrate custom loss functions into TMVA