<div dir="ltr"><div>Hi Dominic, </div>The yodamerge script is handy for adding histograms together. Is this what you're looking for? Chris </div><div class="gmail_extra"> <div class="gmail_quote">On Thu, Nov 13, 2014 at 12:29 PM, Dominic Hirschbuehl <<a href="mailto:dhirsch@mail.cern.ch" target="_blank">dhirsch@mail.cern.ch</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear Rivet-team, I have a question how to deal with samples, which are produced in different nparton samples and needs to be merged to one sample respecting the individual cross sections. For example Alpgen ttbar samples. Is there an easy way how to do this? Thanks in advance Dominic -- /---------------------------------------------------------------------\ | Dr. Dominic Hirschbuehl | \ Bergische Universitaet Wuppertal - Exp. Elementarteilchenphysik / / <a href="mailto:hirsch@physik.uni-wuppertal.de">hirsch@physik.uni-wuppertal.de</a> / <a href="mailto:dominic.hirschbuehl@cern.ch">dominic.hirschbuehl@cern.ch</a> \ | office : D.09.22 phone : 0049 - <a href="tel:202%20-%20439%20-%203751" value="+12024393751">202 - 439 - 3751</a> | \---------------------------------------------------------------------/ _______________________________________________ Rivet mailing list <a href="mailto:Rivet@projects.hepforge.org">Rivet@projects.hepforge.org</a> <a href="https://www.hepforge.org/lists/listinfo/rivet" target="_blank">https://www.hepforge.org/lists/listinfo/rivet</a> </blockquote></div> </div>