Since you are plotting densities, check out the sm package. It has been over a year or so since I've used it, but there was a setting on the univariate densities to check the data against a normal distribution.
Best, MEH On Mon, Feb 2, 2015 at 2:42 PM, Mikael Olai Milhøj <mikaelmil...@gmail.com> wrote: > Hi, > > I'm having trouble trying to plot the density of the residuals against the > standard normal distribution N(0,1). (I'm trying to see if my residuals are > well-behaved). > > I know hwo to calculate the standardized residuals (I guess that there may > be a simple way using a R function) and then plot this by using the density > function > > y<-(model$residuals-mean(model$residuals))/sd(model$residuals) > plot(density(y)) > > But I don't know how to add the N(0,1) curve. Any suggestions? Thanks in > advance > > > /Mikael > > [[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. > -- Mark E. Hall, PhD Assistant Field Manager, Black Rock Field Office Winnemucca District Office 775-623-1529. [[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.
