[R] substitution in expression

Wolski wolski at molgen.mpg.de
Mon Sep 6 17:01:51 CEST 2004


Hi!

plot(1:10, main=expression(paste( x," ", Delta, " values" )))

/E



*********** REPLY SEPARATOR  ***********

On 9/6/2004 at 3:50 PM Adaikalavan Ramasamy wrote:

>>>I have been struggling with this problem for a while and I hope
>>>someone
>>>could help me. Or if someone could point me to a section in the manual I
>>>would be grateful.
>>>
>>> x <- "my"
>>> plot(1:10, main=expression(paste( x, Delta, "values" )))
>>>
>>>Q : How do I get the title to say "my (triangle symbol) values" ?
>>>
>>>
>>>The following trial-and-error produced mainly errors :
>>>
>>> plot(1:10, main=expression(paste( get(x), Delta, "values" ))) 
>>> plot(1:10, main=expression(paste( substitute(x), Delta, values )))
>>> plot(1:10, main=expression(paste( deparse(x), Delta, "values" )))
>>> plot(1:10, main=paste(x, expression(Delta), "values"))
>>> plot(1:10, main=paste(x, eval(expression(Delta)), "values"))
>>> plot(1:10, main=paste(x, expression(Delta, "values" )))
>>> plot(1:10, main=paste(x, expression(paste(Delta, "values" ))))
>>>
>>>Many thanks.
>>>
>>>Regards, 
>>>-- 
>>>Adaikalavan Ramasamy                    ramasamy at cancer.org.uk
>>>Centre for Statistics in Medicine       http://www.ihs.ox.ac.uk/csm/
>>>Cancer Research UK                      Tel : 01865 226 677
>>>Old Road Campus, Headington, Oxford     Fax : 01865 226 962
>>>
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>>>R-help at stat.math.ethz.ch mailing list
>>>https://stat.ethz.ch/mailman/listinfo/r-help
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Dipl. bio-chem. Witold Eryk Wolski             @         MPI-Moleculare Genetic   
Ihnestrasse 63-73 14195 Berlin                'v'    
tel: 0049-30-83875219                        /   \       
mail: witek96 at users.sourceforge.net        ---W-W----    http://www.molgen.mpg.de/~wolski 
      wolski at molgen.mpg.de




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