Re: [R] error bar position setting

> I am using 'arrows' funtion to plot the variance as error bar, BUT error > bar goes only one side of the data point, I need to plot the error bar on > both side of the data point (plot is attached), I am using following > commands to plot, > > plot(file3$lat,file3$STotwoKm,pch=21,cex=2.5,ylim=c

[R] error bar position setting

Hi, I am using R on Windows XP. I am using 'arrows' funtion to plot the variance as error bar, BUT error bar goes only one side of the data point, I need to plot the error bar on both side of the data point (plot is attached), I am using following commands to plot, plot(file3$lat,file3$STotwoKm,