Dear Rene! > Hi Alexander, > > With Add, statistics are computed using the statistical quantities > in both histograms. In this case, the resulting stats preserve the > original full accuracy. What does it mean "using the statistical quantities in both histograms"? Is that a weighted mean value? What happens if I change the content of a bin/bins using SetContent? What is the bin error in that case if I don't set a new one? Thank you, Alexander. > In case of a multiplication/division, statistics are recomputed from > the bin contents. > > Rene Brun > > > Alexander Cherlin wrote: > > > > Dear rooters! > > If I create a new histogram using Add (or Multiply), what show Mean and > > RMS values in statistics of the new histogram? > > > > Thanks in advance, > > Alexander. ************************************************************************ * Alexander Cherlin | Home: * * Department of Particle Physics | Pinsker str., 50/15 * * Weizmann Institute of Science | Rishon le-Zion 75910 * * Rehovot 76100 ISRAEL | ISRAEL * * PHONE : 972 8 9343372 | PHONE: 972 3 9560344 * * FAX : 972 8 9466253 | CELLULAR * * | PHONE: 972 54 629228 * * | FAX: 972 15154 629228 * *----------------------------------------------------------------------* * E-mail: cherlin@wicc.weizmann.ac.il * * Alexander.Cherlin@cern.ch * * URL : http://www.weizmann.ac.il/home/cherlin * ************************************************************************
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