Hi
[EMAIL PROTECTED] napsal dne 05.03.2008 18:04:35:
> Thank you Yinghai, that's what I need :-)!
>
> Yinghai Deng <[EMAIL PROTECTED]> schrieb: m <- seq(-1,1,0.1)
> x1 <- c()
> x2 <- c()
> for(i in 1:length(m)){
> x1[i] <- m[i]
> x2[i] <- m[i]^2
> }
> dat <- data.frame(x1,x2)
The same result you will get by
dat2<-data.frame(x1=m, x2=m^2)
> all.equal(dat,dat2)
[1] TRUE
Regards
Petr
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Neuer Arkadasch
> Sent: March 5, 2008 10:00 AM
> To: [EMAIL PROTECTED]
> Subject: [R] loop
>
>
> Hello all,
>
> I am trying to use
>
> m <- seq(-1,1,0.1)
> x1 <- vector()
> x2 <- vector()
> for(i in m){
> x1[i] <- i
> x2[i] <- i^2
> }
> dat <- data.frame(x1,x2)
> But, I have false result
> >dat
> x1 x2
> 1 1 1
>
> could some tell me how it is possible to do this?
>
> Thank you!
>
>
>
>
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> PLEASE do read the posting guide
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