You are right David/Carol. It seems outer=T does not work for "Sub title".
I'm not sure what Carol is looking for, but in case you need separate sub
titles for each graph, then you may want to use more than one title
statement. Like:

par(oma=c(2,2,2,2))
par(mfrow = c(1,2))
plot(c(1,2,3), c(9,8,7))
title(sub ="sub title 1", cex.sub = 0.75)
plot(c(1,2,3), c(9,8,7))
title(sub ="sub title 2", cex.sub = 0.75)
title(main = "Main title", cex.main=1.5, outer = TRUE)

Not sure about how to do it for a single "sub title" for whole graph.
Anyone?
~Gary


On Sat, Nov 21, 2009 at 12:07 PM, David Winsemius <dwinsemius@comcast.net>wrote:

>
> On Nov 21, 2009, at 11:39 AM, Gary wrote:
>
>  Hi Carol,
>>
>> Try this
>>
>>  par(oma=c(2,2,2,2))
>>> par(mfrow = c(1,2))
>>> plot(c(1,2,3), c(9,8,7))
>>> plot(c(1,2,3), c(9,8,7))
>>> title(main = "Main title", sub ="Sub title",outer = TRUE, cex.main=1.5,
>>>
>> cex.sub = 1.5)
>>
>
> I'm curious about what you are seeing with that sequence. On a Mac running
> R 2.10.0 I am not seeing the subtitle.
>
> --
> David
>
>>
>> par(oma=c(2,2,2,2)) -- can be used to define outline of the plot.
>> Arguments
>> here are for "bottom", "left", "top", "right"; which ofcourse can be
>> changed
>> according to need. HTH
>>
>> ~Gary
>>
>> On Sat, Nov 21, 2009 at 11:21 AM, carol white <wht_crl@yahoo.com> wrote:
>>
>>  Hi,
>>> I got problem in using title function to create a title for multiple
>>> plots
>>> presented together by par. As can be seen in the attached file, the title
>>> is
>>> displayed truncated and the subtitle doesn't get displayed. Here is the
>>> code:
>>>
>>> par(mfrow = c(1,2))
>>> plot(c(1,2,3), c(9,8,7))
>>> plot(c(1,2,3), c(9,8,7))
>>> title(main = "Main title", sub ="Sub title",outer = TRUE, cex.main=1.5,
>>> cex.sub = 1.5)
>>>
>>> Carol
>>>
>>>
>>>
>>> ______________________________________________
>>> R-help@r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>>
>>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
>
>

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