Hello,

Thank you for the suggestions thus far.  In response:

No plotting command includes text, even if it is explicitly specified with
the "xlab", "ylab", or "main" commands.  For example:
plot(1:10, xlab="foo", main="bar")
produces a graph with no text on either axis, no numerical labels, and no
title.

As for David's suggestion, this looks similar to a post that I found
online: http://permalink.gmane.org/gmane.comp.lang.r.mac/5489.  I looked
through my font book and did not find any duplicate fonts.  Just to be sure,
I selected all of the fonts and did a "resolve duplicates" operation under
the Font Book edit menu.  Still no text on any graphs though.

Thanks again,
Adrian

2010/9/4 David Winsemius <dwinsemius@comcast.net>

>
> On Sep 4, 2010, at 12:56 PM, Adrian wrote:
>
>  Hello,
>>
>> I am having trouble displaying graphs in R.  Whenever I create graphs, no
>> axes labels, numerical scales, or titles are displayed.  If I use the
>> "text()" function to explicitly add text to the graph, no text is
>> displayed.
>> I can see all of the graphs using the "demo(graphics)" command, but none
>> of
>> the graphs include any text.  I am running R version: R 2.11.1 GUI 1.34
>> Leopard build 32-bit (5589) on Mac OS 10.6.4.  I would be happy to provide
>> any further information that could be useful in diagnosing this problem.
>> Any advice is appreciated.
>>
>
> Your font library has probably become corrupted. Use Font Book.app to look
> at Times, Courier, Helvetica and Symbol and remove any duplicate entries
> that are blank.
>
> --
>
> David Winsemius, MD
> West Hartford, CT
>
>

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