please do some reading - I *think* the main difference is that the x and y axes are reversed, but I really don't know what SAS prints out
there are a many 'defaults' that are rather arbitrary - sometimes SAS uses 1, while R uses another ??qqnorm brings up a list of functions, including stats::qqnorm ?stats::qqnorm brings up the help page for the function On Mon, Jan 25, 2010 at 12:41 PM, eeramalho [via R] < ml-node+1289588-934349...@n4.nabble.com<ml-node%2b1289588-934349...@n4.nabble.com> > wrote: > Thank you David. I got it now. > > Maybe you can help again. > > I am typing the following code to draw a QQ plot but the line does not look > right? > > ******************* > qqnorm(cbiomass) > > qqline(cbiomass) > *********************** > the graph looks very different from the graph generated by SAS. > > Thank you again. > > Emiliano. > > ------------------------------ > Date: Fri, 22 Jan 2010 21:32:26 -0800 > From: [hidden > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=1289588&i=0> > To: [hidden > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=1289588&i=1> > Subject: Re: Quartiles and Inter-Quartile Range > > It's looks like you think that type=2 are the 'true' quantiles, but the > default method in R is type=7 > > You might want to look at ?stats::quantile > > hth > david freedman > > ------------------------------ > View message @ > http://n4.nabble.com/Quartiles-and-Inter-Quartile-Range-tp1145817p1213199.html > To unsubscribe from Quartiles and Inter-Quartile Range, click here. > > > ------------------------------ > Quer fazer um álbum Ãncrivel? Conheça o Windows Live Fotos clicando > aqui.<http://www.eutenhomaisnowindowslive.com.br/?utm_source=MSN_Hotmail&utm_medium=Tagline&utm_campaign=InfuseSocial> > > ------------------------------ > View message @ > http://n4.nabble.com/Quartiles-and-Inter-Quartile-Range-tp1145817p1289588.html > To unsubscribe from Re: Quartiles and Inter-Quartile Range, click here< (link > removed) =>. > > > -- Natalia and/or David -- View this message in context: http://n4.nabble.com/Quartiles-and-Inter-Quartile-Range-tp1145817p1289653.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]]
______________________________________________ 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.