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]]
______________________________________________
[email protected] 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.
