[R] how to use apply with a function created by ourselfs...?

Spencer Graves spencer.graves at pdf.com
Sun Apr 20 22:05:22 CEST 2003


By default, arithmetic in R is vectorized, with a scalar being a vector 
of length 1.

Consider the following example:

prediction <- function(a, b)
{
	a+b
}
 > prediction(1:3, 4:6)
[1] 5 7 9

hope this helps, spencer graves

ana kozomara wrote:
> Hi.
> I'm a real newbie in R, so
> I don't know how to apply, a function created by myself...
> 
> prediction<-function(a,b)
> {
> ..
> }
> 
> to a vector...
> It doesn't seem to understand
> lapply(vector, prediction())...
> Anyone can help me?
> Thanks in advance,
> ana
> 
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