BDT numbers sorted into preshower bins (Another Attempt)

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 -0.2872 12.06 206 85 0.99 0.74

Second

(Pre1=0, Pre2>0)

416, 586 -0.1368 15.6 362 177 0.87 0.30
Third (0<Pre1<4MeV) 1020, 3198 -0.1427 21.81 888 770 0.87 0.24

Fourth

(4<Pre1<10MeV)

874, 5610 -0.1949 17.21 626 697 0.72 0.12

Table 2 : BDT Setup

Preshower bin NTrees nEventsMin MaxDepth AdaBoostBeta nCuts
First 200 10 1 0.20 2
Second 200 10 1 0.22 2
Third 200 10 1 0.23 5
Fourth 200 10 1 0.22 5
 

 

NOTE: I have retained preshower and postshower info as part of the fit in these distributions wherever possible. Please see the attached files for input variables.