Thanks very much! Works fine now. I'll read up on R's evaluation model.
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On
Behalf Of Mog
Sent: Thursday, August 05, 2010 3:55 PM
To: r-help@r-project.org
Subject: Re: [R] Reducing a list of functions by composition fails
I realize that the Funcall example with an init parameter will work,
but I'd like to be able to get a one-argument function/closure out of
tha
On Thu, Aug 5, 2010 at 4:31 PM, Mog wrote:
> Hi All,
>
> I'd like to be able to specify the ordered composition of several
> functions. So I defined compose:
>
> compose <- function(f,g){
> function(x){f(g(x))}
> }
>
> and some simple test functions:
>
> plus2 <- function(x){x+2}
> plus3 <- funct
I realize that the Funcall example with an init parameter will work,
but I'd like to be able to get a one-argument function/closure out of
that reduction, if at all possible. Sorry, I under-specified in my
question.
Thanks!
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R-help@r-project.org maili
Hi All,
I'd like to be able to specify the ordered composition of several
functions. So I defined compose:
compose <- function(f,g){
function(x){f(g(x))}
}
and some simple test functions:
plus2 <- function(x){x+2}
plus3 <- function(x){x+3}
plus4 <- function(x){x+4}
> (compose(plus2,compose(
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