[R] creating a factor
Petr Pikal
petr.pikal at precheza.cz
Tue Feb 3 14:52:54 CET 2004
Hallo
On 3 Feb 2004 at 20:43, Simon Hosking wrote:
> Hi list,
> I'd like to make a factor with seven 1s and three 2s using the
> factor() function.
> That is,
>
your.f <- factor(rep(c(1,2),c(7,3)))
> 1
> 1
> 1
> 1
> 1
> 1
> 1
> 2
> 2
> 2
>
>
> I will then bind this factor to the matrix below using
> cbind.data.frame().
>
> 0.56 0.48
> 0.22 0.59
> 0.32 0.64
> 0.26 0.60
> 0.25 0.38
> 0.24 0.45
> 0.56 0.67
> 0.78 0.97
> 0.87 0.79
> 0.82 0.85
>
your.frame<-cbind(your.f,your.matrix)
with your numbers ordered into 10x2 matrix like
cbind(factor(rep(c(1,2),c(7,3))),matrix(rnorm(20),10,2))
or
data.frame(var.f=factor(rep(c(1,2),c(7,3))),matrix(rnorm(20),10,2))
>
>
> I am new to R and have been using various manuals and have made many
Did you really follow examples from "An Introduction to R" manual?
> attempts without success any help appreciated. thanks, Simon
Cheers Petr
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
Petr Pikal
petr.pikal at precheza.cz
More information about the R-help
mailing list