If you are running these commands from a file using source() then replacing 'summary(sem)' with 'print(summary(sem))' would help, as would adding echo=TRUE or print.eval=TRUE to the source() command.
Bill Dunlap TIBCO Software wdunlap tibco.com On Tue, Nov 10, 2015 at 11:47 AM, Alaa Sindi <alaasi...@icloud.com> wrote: > Hi All, > > I am not getting any summary results and I do not have any error. what > would be the problem? > > > > sem=mlogit.optim ( LL , Start, method = 'nr', iterlim = 2000, tol = > 1E-05, ftol = 1e-08, steptol = 1e-10, print.level = 0) > summary(sem) > > thanks > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.