[R] YAPMQ - Yet Another PlotMath Question

Thompson, David (MNR) David.John.Thompson at ontario.ca
Thu Jun 19 22:33:15 CEST 2008


>-----Original Message-----
>From: Katharine Mullen [mailto:kate at few.vu.nl] 
>Sent: June 19, 2008 04:26 PM
>To: Thompson, David (MNR)
>Cc: r-help at r-project.org
>Subject: Re: [R] YAPMQ - Yet Another PlotMath Question
>
>by example:
>
>slope <- 45
>plot(1:10)
>text(2, 7, labels = expression(45~degree)) ;
>
>text(2, 5, labels = substitute(paste(slope * degree), list(slope=45)))
>
>text(2, 3, labels = substitute(paste(lambda * " = " * mt * " (nm)"),
>     list(mt = 33)))
>
>On Thu, 19 Jun 2008, 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)))
>>

Thank you Katharine. I suspected this would be one of those cats that
you could skin nine-ways-from-Sunday.

>> Thanx, DaveT.
>> *************************************
>> 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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