[R] to modify a vector
kjetil brinchmann halvorsen
kjetil at entelnet.bo
Sat Feb 8 14:14:38 CET 2003
On 8 Feb 2003 at 15:41, Mitsuo Igarashi wrote:
You should realy read "An Introduction to R", which comes
with your R installation.
> Hi All.
> I am quite a newbie to R.
> This is a basic question.
> I like to modify elements of a vector.
> For Example:
> a1 <- c(1,2,3,4,3,5)
> TThe following program sentence does not work but the intention is;
> if (a1==3) a1*3 .
> 3 in the vector should be changed to 9, and
> the resulted vector is (1,2,9,4,9,5).
a1[a1==3] <- 9
> How can I get the result?
> Thanks in advance for help.
> mitsu5 at ruby.famille.ne.jp
> R-help at stat.math.ethz.ch mailing list
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