Hi not sure that i understand what you want but maybe something like this can help you
df<-data.frame(x=1:10, y=5*(1:10)+3+rnorm(10)) plot(df) abline(fit<-lm(y~x, data=df)) matlines(predict(fit, interval="confidence")) segments(df$x, df$y, df$x, df$y-resid(fit)) Regards Petr r-help-boun...@r-project.org napsal dne 22.10.2009 22:29:37: > Hi all, > > I have re-begging to use R. > > I need to using a matrix Y and X with the first row been the name to get a > ols regression and to plot a two elements graph...on the top > the scattergraph and the line representing the regressión....below the > resids...at the same time I want to plot with small lines representing the > error or one desviation from the regressión. > > I attach a graph...to get better understood. > > Please if you writte me the code explain how to put names on both plots. > MAny Thanks¡¡¡ > > I saw a document explaining but I can´t find.... > > Thanks in advance.... > > Imagine you load on a directory (in example mydocuments) the data file and > that it is an xls or *.txt file. > ______________________________________________ > 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.