You are a GENIUS !!
I don't know how to thank you !!
Thank you so much ! 
I really need to improve my R language (I take any advice)
If i can do something for you about MGARCH models, let me know
Thx again
Bilel

Le Aug 22, 2012 à 8:55 PM, Rui Barradas [via R] a écrit :

> Hello, 
> 
> I'm being lazy, but the following works. 
> 
> r = 3 ; set.seed(1) 
> v <- matrix(c(rnorm(40)),10,4) 
> 
> result <- vector("list", r*ncol(v)) 
> ires <- 0 
> 
> for (j in 1:4){ 
>      for (i in 1:r){ 
>          x <- t(v[,j]^(i)*v[,1:4]^((r-(4-1)):r)) 
>          #print(x) 
>          ires <- ires + 1 
>          result[[ ires ]] <- x 
>          } 
>      } 
> 
> result <- do.call(rbind, result) 
> dim(result) 
> 
> Lazy because there might be a way of avoiding the loops. If this is just 
> an example, is your real problem big? 
> 
> Hope this helps, 
> 
> Rui Barradas 
> 
> Em 22-08-2012 14:23, bilelsan escreveu:
> 
> > Dear Ruser, 
> > Below, the deal (you can copy paste): 
> > 
> > r=3 ; set.seed(1) 
> > v <- matrix(c(rnorm(40)),10,4) 
> > for (j in 1:4){ 
> >      for (i in 1:r){ 
> >          x <- t(v[,j]^(i)*v[,1:4]^((r-(4-1)):r)) 
> >          print(x) 
> >          } 
> >      } 
> > 
> > How to reach to " x " " row bind " inside or outside (preferred) of the 
> > loop. 
> > To obtain at the end something like: 
> >> x 
> > matrix( , 12*4, 10) 
> > 
> > Any help or advice is very welcome 
> > Many regards 
> > Bilel 
> > 
> > 
> > 
> > -- 
> > View this message in context: http://r.789695.n4.nabble.com/rbind-in-a-loop-with-elements-tp4640976.html
> > Sent from the R help mailing list archive at Nabble.com. 
> > 
> > ______________________________________________ 
> > [hidden email] mailing list 
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________ 
> [hidden email] mailing list 
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code. 
> 
> 
> If you reply to this email, your message will be added to the discussion below:
> http://r.789695.n4.nabble.com/rbind-in-a-loop-with-elements-tp4640976p4641019.html
> To unsubscribe from rbind in a loop with " : " elements, click here.
> NAML





--
View this message in context: http://r.789695.n4.nabble.com/rbind-in-a-loop-with-elements-tp4640976p4641023.html
Sent from the R help mailing list archive at Nabble.com.
	[[alternative HTML version deleted]]


