Re: [R] YAPMQ - Yet Another PlotMath Question

From: Thompson, David (MNR) <David.John.Thompson_at_ontario.ca>
Date: Thu, 19 Jun 2008 16:30:56 -0400

>-----Original Message-----
>From: Peter Dalgaard [mailto:p.dalgaard_at_biostat.ku.dk]
>Sent: June 19, 2008 04:23 PM
>To: Thompson, David (MNR)
>Cc: r-help_at_r-project.org
>Subject: Re: [R] YAPMQ - Yet Another PlotMath Question
>
>Thompson, David (MNR) wrote:
>> Hello,
>>
>> I'm having trouble finding (remembering) how to pass values into text
>> functions in plots, as demonstrated by:
>>
>> slope <- 45 ; plot(1:10) ; text(2, 7, labels =
>expression(45~degree)) ;
>> text(2, 5, labels = paste(bquote(.(slope)), expression(degree)))
>>
>text(2, 5, labels = bquote(paste(.(slope), degree)))
>
>Notice that paste()ing two expressions does not yield an expression
>result. Instead, it deparses both arguments and gives a
>character string.

Thank you Peter.
Are all the syntactic elements noted in plotmath{grDevices} available to
bquote()?



Silviculture Data Analyst
Ontario Forest Research Institute
Ontario Ministry of Natural Resources
david.john.thompson_at_ontario.ca
http://ontario.ca/ofri

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