On 10.03.2010 13:26, Mark Heckmann wrote:
I have the following function that makes use of lazy loading.
I guess you mean *lazy evaluation* rather than *lazy loading* (as used in loading functions or data from the package databases).
foo <- function(x=2*y, y=x/2) cat(x,y) Now I want to be able to modify it like below: foo(y=x/3)
You really want to *modify* the list of formal arguments like that or do you want to *call* it like that?
Of course, this does not work as the object x is not known.
Right.
Still I would like to be able to pass a function as an argument that is evaluated using lazy loading.
If you rephrase your question more exactly and give a more elaborated example where you want to make use of it, we may be able to help, but I do not want to answer based on speculations here.
Best, Uwe Ligges
Can someone help? Thanks, Mark ––––––––––––––––––––––––––––––––––––––– Mark Heckmann Dipl. Wirt.-Ing. cand. Psych. Vorstraße 93 B01 28359 Bremen Blog: www.markheckmann.de R-Blog: http://ryouready.wordpress.com ______________________________________________ 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.
______________________________________________ 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.
