R help - Nov 2013 - Apply a function with multiple argument on each column of matrix

Hi there !!
I have a function like 
fun <- function(x,y) 
{
loe<-loess(y ~ x,span=0.9,family="gaussian")
pre<-predict(loe,data.frame(x=x))
return(pre)
}

Now i have defined : 
x<-1:500

y<-matrix(rnorm(1000,3),ncol=2)

I can manipulate fun(x,y[,1]) .
But i want to apply the function on each column of matrix y . 
Any suggestion will be appreciated . 
Thanks .  

 
Best regards


........................... 
Tanvir Ahamed
Göteborg, Sweden
	[[alternative HTML version deleted]]

On 11.11.2013 13:31, Mohammad Tanvir Ahamed wrote:
> Hi there !!
> I have a function like
> fun <- function(x,y)
> {
> loe<-loess(y ~ x,span=0.9,family="gaussian")
> pre<-predict(loe,data.frame(x=x))
> return(pre)
> }
>
> Now i have defined :
> x<-1:500
>
> y<-matrix(rnorm(1000,3),ncol=2)
>
> I can manipulate fun(x,y[,1]) .
> But i want to apply the function on each column of matrix y .
apply(y, 2, function(i) fun(x, i))

Uwe Ligges

> Any suggestion will be appreciated .
> Thanks .
>
>
> Best regards
>
>
> ...........................
> Tanvir Ahamed
> G?teborg, Sweden
> 	[[alternative HTML version deleted]]
>
>
>
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