I think you need predict(mod,newdate)
instead of predict(y,newdate) --- "Maja Schröter" <[EMAIL PROTECTED]> wrote: > Hello everybody, > > I'm trying to predict a linear regression model but it does not work. > > My Model: y = Worktime + Vacation + Illnes + Bankholidays > > My modelmatrix is of dimension 28x4 > > Then I want to make use of the function predict because there > confidence.intervals are include. > > My idea was: > > mod <- lm(y~Worktime+Vacation+Illnes+Bankholidays) > > newdate=data.frame(x=c(324,123,0.9,0.1)) > predict(y,newdate) > > But I always get the message: > > > 'newdata' had 1 rows but variable(s) found have 28 rows > > > What can I do? > > Yours, > > Maja > > -- > Psssst! Schon vom neuen GMX MultiMessenger gehört? > Der kanns mit allen: http://www.gmx.net/de/go/multimessenger > > ______________________________________________ > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.