Thank you Yinghai, that's what I need :-)!

Yinghai Deng <yinghai.deng@bri.nrc.ca> 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)

-----Original Message-----
From: r-help-bounces@r-project.org
[mailto:r-help-bounces@r-project.org]On Behalf Of Neuer Arkadasch
Sent: March 5, 2008 10:00 AM
To: r-help@stat.math.ethz.ch
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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