Ok, I have to apologize, I confused the packages. It's the function barplot2 from the gplots package!
> It calls itself an extenstion of barplot2 and has a ci.lwd argument. Might > save you the time of doing what I thought might be needed, hacking te code. Unfortunately ci.lwd controls the thickness of the line but not the horizontal width. On Jan 22, 2013, at 21:24 , David Winsemius <dwinsem...@comcast.net> wrote: > > On Jan 22, 2013, at 10:28 AM, Martin Batholdy wrote: > >> Hi, >> >> is there any way to change the width of the horizontal line of confidence >> intervals >> in the barplot2 function in the plotrix package (independent of the width of >> the bars)? >> >> >> example code: >> >> library(plotrix) >> # Example with confidence intervals and grid >> hh <- t(VADeaths)[, 1] >> mybarcol <- "gray20" >> ci.l <- hh * 0.85 >> ci.u <- hh * 1.15 >> mp <- barplot2(hh, beside = TRUE, >> col = c("lightblue", "mistyrose", >> "lightcyan", "lavender"), >> legend = colnames(VADeaths), ylim = c(0, 20), >> main = "Death Rates in Virginia", font.main = 4, >> sub = "Faked 95 percent error bars", col.sub = mybarcol, >> cex.names = 1.5, plot.ci = TRUE, ci.l = ci.l, ci.u = ci.u) > > When I did an sos::findFn("barplot2") search to locate the "real" `barplot2` > O alos noted in the same package (gplots) a function named `ooplot`. It calls > itself an extenstion of barplot2 and has a ci.lwd argument. Might save you > the time of doing what I thought might be needed, hacking te code. > > -- > David Winsemius > Alameda, CA, USA > ______________________________________________ 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.