[R] combining vectors to matrices or data frames

[Erich Neuwirth]

a brute force solution would be

tmp<-c()
for(i in 1:5]){
	#some calculations for a,b,c,d,e
	a<- ... b<- ... c<- .. ....

	tmp<-c(tmp,c(a,b,c,d,e))}

m<-t(matrix(tmp,5,5))


Jan Malte Wiener wrote:

> hi,
> 
> during a for(i in 1:xx]) loop I always newly calculate a vector 
> (e.g. tmp<-c(a,b,c,d,e) )
> now i need that vector to be attached at the bootom of a matrix (or
> data.frame).
> 
> 
> e.g.
> 
> m<-matrix()
> 
> for(i in 1:5]){
> 	#some calculations for a,b,c,d,e
> 	a<- ... b<- ... c<- .. ....
> 
> 	tmp<-c(a,b,c,d,e)
> 
> 	??? now I need to attach this tmp to the matrix m ???
> }
> 
> i couldn't get rbind or append to work properly 
> 
> thanks for advice,
> jan
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
> r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
> Send "info", "help", or "[un]subscribe"
> (in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
> 
> 
> 


-- 
--
Erich Neuwirth, Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
Phone: +43-1-4277-38624 Fax: +43-1-4277-9386


-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._