Hi Ben,

Indeed this is what i wanted, thanks.  height does make more sense, I guess
I was just reading the ggplot2 documentation directly, which still refers to
width.


Brian


On Sun, Dec 12, 2010 at 5:12 PM, Ben Bolker <bbolker@gmail.com> wrote:

> Brian Tsai <btsai00 <at> gmail.com> writes:
>
> >
> > Hi,
> >
> > I'm having problems using the 'width' aesthetic attribute for the
> > geom_errorbarh.   This is the same problem reported earlier here, but
> I'll
> > try to write the problem more clearly:
> >
> > http://www.mail-archive.com/r-help <at> r-project.org/msg62371.html
> >
> > The problem I'm having is that, the 'width' attribute is supposed to set
> the
> > height of the endpoints of the whiskers, and respectively, the width of
> the
> > endpoints of the whiskers in geom_errorbar.
> >
> > The width attribute works fine in geom_errorbar (sets width of whiskers
> > fine), but it has no effect in geom_errorbarh (height of whiskers is the
> > same no matter what value).  Does anyone else still have this problem?
> >
>
>   Looking at the answers in the previous thread, I think the commenters
> are trying to answer your question but be missing the point.
>
>  I assume you have horizontal errorbars that look like this
>
>  |------*-------|
>
> and you want them to look like this:
>
>  |              |
>  |------*-------|
>  |              |
>
> In this case, it would be the "height" aesthetic rather than the
> "width" aesthetic that you would want to modify the length of the
> end-caps on the bar.
>
>  If this is *not* what you want, it would help if you could somehow
> draw a picture of your desired graph (e.g. manipulate the graph you
> have in an image editor, or use ASCII art as above) ...
>
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