<div dir="ltr"><div class="gmail_default" style><font face="arial, helvetica, sans-serif">Dear David and Andy,</font></div><div class="gmail_default" style><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default" style><font face="arial, helvetica, sans-serif">Sorry about this, but I'm having another problem with my analysis' Rivet routine. One of the histograms is a Profile1DPtr and, although the .yoda output gives sensible numbers, the .root file has a TProfile for which all bins are 0.</font><br></div><div class="gmail_default" style><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default" style><font face="arial, helvetica, sans-serif">Obviously this isn't a problem in Rivet per se, but I guess it might be a problem with the athena Rivet_i interface. The only thing I can think of that might be weird about this histogram is that some bins have no entries (so a naive call t</font>o ProfileBin1D::mean() might fail).</div><div class="gmail_default" style><br></div><div class="gmail_default" style>Any ideas about this one?</div><div class="gmail_default" style><br>Thanks,</div><div class="gmail_default" style>James</div></div>