Alternatively, use the 'plotCI' function (or for standard errors, 'plotmeans' function) in the gregmisc package.
-Greg > -----Original Message----- > From: Marc Schwartz [mailto:[EMAIL PROTECTED]] > Sent: Friday, February 21, 2003 8:38 AM > To: 'Thanjavur Bragadeesh'; [EMAIL PROTECTED] > Subject: RE: [R] help > > > >-----Original Message----- > >From: [EMAIL PROTECTED] > >[mailto:[EMAIL PROTECTED]] On Behalf Of Thanjavur > >Bragadeesh > >Sent: Monday, February 10, 2003 4:08 PM > >To: [EMAIL PROTECTED] > >Subject: [R] help > > > > > > > >Hi, > > > >help.I would like to plot the mean and standard deviation > >against a factor > >in the xaxis- in other words I want an errorplot. I also want > >to put the > >standard deviation like a "T" on top of a barplot. How can do > >this in R > > > >Bragadeesh > > Look at the barplot2() function in the gregmisc package on CRAN. > > A quick example using barplot2() and faked numbers: > > > library(gregmisc) > barplot2(c(5, 8, 4, 6, 9), plot.ci = TRUE, ci.l = c(5, 8, 4, 6, 9), > ci.u = c(5.5, 8.3, 4.25, 6.7, 10.5)) > > > This will give you 5 vertical bars, with the upper bounds of the > confidence intervals plotted on top of the bars. Note that I have > specified that the lower bounds are the same as the bar values, which > results in no lower intervals being plotted. If you want both upper > and lower bounds plotted, use appropriate values for the 'ci.l' > argument. > > There are other options for axis configuration, grid lines and so > forth in barplot2() if you should need them. > > Hope that helps, > > Marc Schwartz > > ______________________________________________ > [EMAIL PROTECTED] mailing list > http://www.stat.math.ethz.ch/mailman/listinfo/r-help > LEGAL NOTICE\ Unless expressly stated otherwise, this message is ... [[dropped]] ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help