Thanks The first method,i get many lines,using the second,i get segments.I actually need one line with y coordinate defined by aline,x along the boxplot.
On 7/22/06, Uwe Ligges <[EMAIL PROTECTED]> wrote: > > Jiantao Shi wrote: > > > Hi, > > I have a data frame, > > > > > >>df=rnorm(1000) > >>dim(df)=c(100,10) > >> > > > > And i can get the boxplot, > > > > > >>boxplot(data.frame(df)) > > > > > > > > So how can add a line (aline) on the existing boxplot,eg, > > > > > > Thanks in advance. > > Example: > > > df <- rnorm(1000) > dim(df) <- c(100,10) > boxplot(data.frame(df)) > aline <- apply(df, 2, max) > > # , now you might want either > abline(h = aline, col = "green", lty="dotted") > # or > segments(seq(along = aline) - 0.2, aline, > seq(along = aline) + 0.2, aline, > lwd = 2, col = "red") > > > > Uwe Ligges > > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > [email protected] 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. > > [[alternative HTML version deleted]] ______________________________________________ [email protected] 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.
