BDT numbers sorted into preshower bins

BDT numbers sorted into preshower bins

(I) Overtraining Check Plots

(a) First preshower bin                                                                               (b) Second preshower bin     

 

(c) Third preshower bin                                                                             (d) Fourth preshower bin

 

 

(II) Background rejection vs signal efficiency plots

(a) First preshower bin                                                                                (b) Second preshower bin

 

(c) Third preshower bin                                                                            (d) Fourth preshower bin

 

(III) Efficiency plots

(a) First preshower bin                                                                               (b) Second preshower bin

 

 

(c) Third preshower bin                                                                             (d) Fourth preshower bin

 

 

Table I

Preshower bin #signal, #background Optimal-cut S/sqrt(S+B) Nsig Nbkg EffSig Effbkg
First (pre1=0,pre2=0) 206,116 -0.33 12.06 205 85 0.99 0.74

Second

(Pre1=0, Pre2>0)

416, 586 -0.099 15.9 385 202 0.93 0.34
Third (0<Pre1<4MeV) 1020, 3198 -0.3817 20.48 916 1083 0.898 0.34

Fourth

(4<Pre1<10MeV)

874, 5610 -0.0635 17.96 525 331 0.60 0.06

Table 2 : BDT Setup

Preshower bin NTrees nEventsMin MaxDepth AdaBoostBeta nCuts
First 50 10 1 0.24 2
Second 50 20 1 0.15 5
Third 50 20 1 0.07 5
Fourth 50 20 1 0.7 20

Please see the attachments for correlation matrix and other stuff.