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[Rivet] ATLAS analysis to be included into RivetRoman Lysak lysak at fzu.czMon Aug 5 12:34:51 BST 2013
Hi Hendrik, this analysis has now finally full implementation of the weights (+ one tiny bug fixed), see the attachment. Hopefully, it can be now included into Rivet. Sorry for very late response. Cheers, Roman On 04/18/2013 04:07 PM, Hendrik Hoeth wrote: > Hi Roman, hi Kiran, > > Thus spake Roman Lysak (lysak at fzu.cz): > >>> I'm having a brief look at the code right now. Have you tested it with >>> weighted events? You do fill a weight vector _vecWeight, but never use >>> it. The regression seems to assume equal weights for all events. Is that >>> correct? >> That is correct. >> >> The azimuthal part of the analysis includes the weights. >> The fwd-bkwd part of the analysis does not include the weights. > We've discussed this a bit, but we are very hesitant to put the analysis > into Rivet as it is. Weighted events get more and more common, and there > are plenty use cases for them (e.g. tuning an NLO generator). So at very > least we would put a mechanism in place such that weighted events would > throw an exception -- which of course would render that part of the > analysis useless for weighted runs. > > Therefore we would very much prefer a solution where the analysis has > proper support for weights. How much effort do you think that would be? > > Cheers, > > Hendrik > -------------- next part -------------- A non-text attachment was scrubbed... Name: ATLAS_2012_I1093734.cc Type: text/x-c++src Size: 14836 bytes Desc: not available URL: <http://www.hepforge.org/lists-archive/rivet/attachments/20130805/c9f59315/attachment.cc>
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