[R] error bars

hadley wickham h.wickham at gmail.com
Thu Feb 19 14:21:54 CET 2009

On Thu, Feb 19, 2009 at 1:19 AM, jdeisenberg <catcode at catcode.com> wrote:
> Nicole Hackman wrote:
>> Hello, I have a very simple data set i imported from excel including 96
>> averages in a column along with 96 standard errors associated with those
>> averages (calculated in excel).  I plotted the 95 averages using r and I
>> am
>> wondering if it is possible to plot the second column of standard errors
>> while applying error bars to each value so they represent the error
>> corresponding to each average?
> You might also find
> http://users.fmg.uva.nl/rgrasman/rpages/2005/09/error-bars-in-plots.html
> this page  to be useful; it doesn't require you to load any new packages.

On the other hand, it's a fundamentally limited approach.  With a
small investment in learning ggplot2, you can easily add error bars to
absolutely any type of graphic.



More information about the R-help mailing list