What does table(m11$prog) tell you? -pd > On 09 Jul 2016, at 12:29 , Shivi Bhatia <shivipm...@gmail.com> wrote: > > Dear Team, > > I am running a multinomial logistic regression model for one of the > fictitious data before i implement the same on my real data. > Here i am trying to predict based some scores and economic group whether a > person will go for a diploma, general or honors. > > The code below: > m11$prog2<- relevel(m11$prog, ref = "honors" > > already loaded the nnet library. However i got the below error: > Error in relevel.factor(m11$prog, ref = "honors") : > 'ref' must be an existing level > > I have tried searching on SO and nabble but did not find an answer that > could help. > > Please suggest what is incorrect. Also checked the class of the var and is > a factor variable. > > [[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.
-- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ 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.