[Rd] iterated lapply

Daniel Kaschek daniel.kaschek at physik.uni-freiburg.de
Tue Feb 24 10:38:27 CET 2015


On Mo, 2015-02-23 at 16:54 -0500, Duncan Murdoch wrote:
> This is a feature:  it allows you to have arguments that are never
> evaluated, because they are never used, or defaults that depend on
> things that are calculated within the function.

I haven't thought about the thing with the default arguments. That's
really a feature.

Thanks,
Daniel

> 
> Duncan Murdoch
> 
> 
> > conditions <- 1:4
> > test <- lapply(conditions, function(mycondition){
> >   #print(mycondition)
> >   myfn <- function(i) mycondition*i
> >   return(myfn)
> > })
> > 
> > sapply(test, function(myfn) myfn(2))
> > 
> > 
> > 
> > Cheers,
> > Daniel
> > 
> 

-- 
Daniel Kaschek
Institute of Physics
Freiburg University

Room 210
Phone: +49 761 2038531



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