Re: [R] modifying arrays within functions

From: john seers \(IFR\) <john.seers_at_bbsrc.ac.uk>
Date: Tue, 5 Feb 2008 16:23:39 -0000

Hi KB

I am not sure exactly what you want to do but perhaps this is this closer to what you need:

addition<-function(X, a){Xnew<-X + a}
X<-array(1,dim=c(2,2))
a<-2
Xa<-addition(X,a)
Xa

Regards

JS  

---
-----Original Message-----
From: r-help-bounces_at_r-project.org [mailto:r-help-bounces_at_r-project.org]
On Behalf Of Konrad BLOCHER
Sent: 05 February 2008 15:52
To: r-help_at_r-project.org
Subject: [R] modifying arrays within functions


Hi,

I'm pretty new to R and seem to be having difficulties with writing a
function that would change an array and keep the change after the
function finishes its work.

in other words

I have an array of 1's    X<-array(1,dim=c(2,2))

I want to add a number to X[1,1] by means of a function called addition.
What I am writing is:   addition<-function(a){X[1,1]=X[1,1}+a}
but it doesn't seem to work

Any ideas? Please? :)

Thanks

KB


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Received on Tue 05 Feb 2008 - 16:29:30 GMT

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