[Rivet] CDF_2008_S778... --- YODA Profile1D low stats error

[Holger Schulz]

Hi,

the CDF_2008 b-jet shapes analysis (unvalidated) requires some
protection for YODA::Profile*Bin*1D.stdErr() because of this:

    terminate called after throwing an instance of 'YODA::LowStatsError'
       what():  Requested variance of a distribution with only one
    effective entry

I don't see a function that tells me the number of effective entries for 
Profile*Bin*1D.

Any thoughts on how to deal with that?

One would either need a protection on analysis level or change
the behaviour of stdErr such that it doesn't throw an exception.


Holger

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