Thank you David for the obvious fix and sorry for my lacking innovative spirit,
:-)
Really, I know I haven't grasped the essence of plotting these math symbols in
R.
John
----- Original Message ----
From: David Winsemius <dwinsem...@comcast.net>
To: array chip <arrayprof...@yahoo.com>
Cc: Peter Ehlers <ehl...@ucalgary.ca>; R <r-help@r-project.org>
Sent: Tue, June 28, 2011 11:50:02 AM
Subject: Re: [R] how to print "<=" in plot title
On Jun 28, 2011, at 2:42 PM, array chip wrote:
> David,
>
> I tried your suggestion, still not working:
>
> x<-3
> plot(1:10)
> title(bquote(bold(x) <= bold(as.character(.(x)) )))
>
>
> It prints x<=as.character(3) as title
Kids these days! No innovative spirit. Why in my day... they would be
jumping with the obvious fix to an elder's error.
x<-3
plot(1:10)
title( bquote(bold(x) <= bold(.(as.character(x)) )))
--
David.
>
> Thanks
>
> John
>
>
>
> ----- Original Message ----
> From: David Winsemius <dwinsem...@comcast.net>
> To: array chip <arrayprof...@yahoo.com>
> Cc: Peter Ehlers <ehl...@ucalgary.ca>; R <r-help@r-project.org>
> Sent: Tue, June 28, 2011 11:30:23 AM
> Subject: Re: [R] how to print "<=" in plot title
>
>
> On Jun 28, 2011, at 2:19 PM, array chip wrote:
>
>> Thank you David and Bert.
>>
>> x<-3plot(1:10)
>> title(bquote( x <= .(x) ))
>>
>> would do what I want. But I also want the title printed in bold
>> font. so I
>> tried
>>
>> x<-3
>> plot(1:10)
>> title(bquote(bold(x <= .(x)) ))
>>
>> But this did not print the "less than equal to" symbol and the
>> number 3 (from
>> variable x) in bold. Anyway to solve that?
>
> Nope. The Symbol font has no bold type face. Bolding of numbers
> _can_ be done
> inside bquote with bold(as.character(.(x)) )
>
> --David
>>
>> Thanks again!
>>
>> John
>>
>>
>>
>>
>> ----- Original Message ----
>> From: David Winsemius <dwinsem...@comcast.net>
>> To: Peter Ehlers <ehl...@ucalgary.ca>
>> Cc: array chip <arrayprof...@yahoo.com>; R <r-help@r-project.org>
>> Sent: Tue, June 28, 2011 11:04:07 AM
>> Subject: Re: [R] how to print "<=" in plot title
>>
>>
>> On Jun 28, 2011, at 1:52 PM, Peter Ehlers wrote:
>>
>>> On 2011-06-28 10:25, array chip wrote:
>>>> Hi, how can I print "<=" (I mean the symbol of just one
>>>> character) in the
>> main
>>>> title of a plot?
>>>>
>>>> for example:
>>>>
>>>> plot(1:10, main=paste("x<=", x))
>>>>
>>>> where variable x is some number generated on the fly.
>>>
>>> x <- 2.718
>>> plot(0, 0)
>>> title(bquote( x %<=% .(x) ))
>>
>> I think John wants the mathematical symbol. As was pointed out in a
>> question
>> last week, the `<=` plotmath symbol needs to be flanked by operands.
>> Non-printing operands can be created with the phantom function:
>>
>> title(main=expression(phantom("")<=phantom("")) )
>>
>> Contrary to Gunters's comment, this is probably going to work on
>> all the three
>> major OS platforms. It depends only on whether there is a Symbol
>> font mapped
> to
>> the output device.
>>>
>>> ?plotmath
>>
>> Yes. The details are there.
>>
>>>
>>> Peter Ehlers
>>>
>>
>>
>> David Winsemius, MD
>> West Hartford, CT
>
> David Winsemius, MD
> West Hartford, CT
David Winsemius, MD
West Hartford, CT
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