imax 1 number of channels
jmax * number of backgrounds
kmax * number of systematic uncertainty sources
----------
shapes signal     HbbHbb w_signal_330.root      HbbHbb:signal_fixed
shapes signal_bkg HbbHbb w_signal_330.root      HbbHbb:signal_bkg
shapes background HbbHbb w_background_novo_285_625.root      HbbHbb:f_novo
shapes data_obs   HbbHbb w_background_novo_285_625.root      HbbHbb:data_obs_novo_285_625
----------
## Observation
bin                     HbbHbb
observation             -1
----------
bin                   HbbHbb          HbbHbb	HbbHbb
process               signal      background	signal_bkg
process               0           1		2
rate            446.300800   21478.000000   446.300800 
lumi_13TeV  lnN   1.026       -		-
bTag      lnN     1.067382    -    -  
JER      lnN     1.012751    -    -  
JEC      lnN     1.007837    -    -  
trigger      lnN     1.088849    -    -  
PDF      lnN     1.015592    -    -  
shapeBkg_signal_bkg_HbbHbb__norm param  0.0 0.023575 
par_novo_0   param   150.156 5.29728
par_novo_1   param   28.8835 4.43805
par_novo_2   param   -1.27624 0.0948088