Le vendredi 22 août 2008 à 07:07 -0600, Andreas J. Guelzow a écrit : > On Fri, 2008-08-22 at 12:07 +0200, Jean Bréfort wrote: > > Hi, > > > > Our Lognormal distribution support does not have a shape parameter as > > described at > > http://www.itl.nist.gov/div898/handbook/eda/section3/eda3669.htm > > > > Is that correct or a gnumeric bug (or a R-project bug)? > > > > Note from the same page: > Since the general form of probability functions can be expressed in > terms of the standard distribution, all subsequent formulas in this > section are given for the standard form of the function. > > So both the m (shape parameter) and theta are unnecessary. We apparently > chose to include theta but not m. > > SO I don't see a bug anywhere.
Hmm, theta might be <0 on the page, but not our parameters, so the various parameters have apparently not the same signification. I must think a bit more about that. Jean _______________________________________________ gnumeric-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gnumeric-list
