Thank you very much for your help. I just don't understand the following line (which also gives me a dimension error later in the arrows command)
etype <- rep(c(sd1, sd2, sd3, sd4), length(data1)) Antje (I don't see my emails to the mailinglist anymore... just the answers from other people... I don't understand???) Jacques VESLOT schrieb: > tab <- do.call(rbind, list(data1, data2, data3, data4)) > etype <- rep(c(sd1, sd2, sd3, sd4), length(data1)) > b <- barplot(tab, beside=T) > arrows(unlist(b), unlist(tab) - etype, unlist(b), unlist(tab) + etype, > code=3) > ------------------------------------------------------------------- > Jacques VESLOT > > CNRS UMR 8090 > I.B.L (2ème étage) > 1 rue du Professeur Calmette > B.P. 245 > 59019 Lille Cedex > > Tel : 33 (0)3.20.87.10.44 > Fax : 33 (0)3.20.87.10.31 > > http://www-good.ibl.fr > ------------------------------------------------------------------- > > Antje a écrit : >> hello, >> >> I would like to create the following barplot: >> >> I have 4 different data sets (same length + stddev for each data point) >> >> data1 >> sd1 >> data2 >> sd2 >> data3 >> sd3 >> data4 >> sd4 >> >> now, I'd like to plot in the following way: >> >> data1[1],data2[1],data3[1],data4[1] with it's sd-values side-by-side >> at one x-axis label (named "position 1") and each bar in different >> colors. >> >> data1[2],data2[2],data3[2],data4[2] at the next x-axis label (named >> "position 2") with the same color scheme >> >> and so on over the whole length. >> >> I managed to plot one set in the following way: >> >> par(mai=c(1.5,1,1,0.6)) >> plotInfo <- barplot(data1, las=2, ylim = c(0,plotMax+1), ylab = >> "Percentage") >> arrows(plotInfo,data1,plotInfo, data1 + sd1, length=0.1, angle=90) >> arrows(plotInfo,data1,plotInfo, data1 - sd1, length=0.1, angle=90) >> >> could anybody give me a help on this? >> >> Antje >> >> ______________________________________________ >> R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.