-
Type:
Improvement
-
Status: Closed (View Workflow)
-
Priority:
Medium
-
Resolution: Fixed
-
Affects Version/s: 6.06/00
-
Fix Version/s: 6.22/00
-
Component/s: RooFit/RooStats
-
Labels:
Hello, reading the document about HistFactory:
https://cdsweb.cern.ch/record/1456844/files/CERN-OPEN-2012-016.pdf
I see in equation 9 that the constraints on the statistical error of the MC are Poissonian. This is not the case when I simply call:
background.ActivateStatError()
|
channel.AddSample(background)
|
measurement.AddChannel(channel)
|
ws.obj("gamma_stat_channel_bin_1_constraint").Print()
|
|
RooGaussian::gamma_stat_channel_bin_1_constraint[ x=nom_gamma_stat_channel_bin_1 mean=gamma_stat_channel_bin_1 sigma=gamma_stat_channel_bin_1_sigma ] = 1
|
I guess that this is beacuse of this line, which initialize it to be a gaussian constraints.
Can you:
1. better document or
2. use Poissonian constraints as written in the documentation?