Path:
     /home/hep/listeve/fisher/

ppk_lr.f   --> select the background events you want to do analysis
               The goal is to select good trash data....

hbk file:   ppk_data7 ppk_data9 ppk_data11 ppk_data13
            sig_ppk

1. background file:
paw
   chain data ppk_data7.hbk ppk_data9.hbk ppk_data11.hbk ppk_data13.hbk
   cd //data
   fort/file 26 background
   nt/loop 1 ppk_lr.f(-1.)
   close 26
   quit
(Kumac file: background.kumac)

wc background   --> see how many lines...
   5064   34678  501336 background

 
2. signal file:
paw
   exec signal.kumac

wc signal
  3319   22638  328581 signal


3. fisher program: /home/hep/listev/fisher/fisher.cc

joe fisher --> fill in the number of background & signal events.
make
./fisher