Read the posting guide. An example is not reproducible without sample data.
You may need to remove data records containing NA. It may not even be a true NA, depending how you got your data into R. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. Ville Iiskola <ville.iisk...@uta.fi> wrote: >Hi > >I am trying to estimate parameter values with mlogit. I attach a part >of my data. > >My code is > >x=mlogit.data(y,choice="voittaja",shape="long",id.var="id",alt.var="numero") > >summary(mlogit(voittaja ~ Ie-1 , data=x, na.action=na.pass)) > > > >But i get > > > >Error in if (abs(x - oldx) < ftol) { : > missing value where TRUE/FALSE needed > > >Because there is Na in D2. > >What should i do to make it work? > > > > >______________________________________________ >R-help@r-project.org mailing list >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. ______________________________________________ R-help@r-project.org mailing list 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.