Re: [R] For each element in vector do...

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Wed 18 Jan 2006 - 02:08:10 EST

If addition to the ifelse solution already posted one could do this since a logical expression used in a numeric context is regarded as 1 for TRUE and 0 for FALSE.

B <- A + (A>0)

On 1/17/06, Andrej Kastrin <andrej.kastrin@siol.net> wrote:
> Dear R useRs,
>
> I have a vector with positive and negative numbers:
> A=c(0,1,2,3,0,4,5)
>
> Now if i-th element in vector A is > 0, then i-th element in vector B
> is a+1
> else i-th element in vector b=a (or 0)
>
> vector A:
> vector B: 0 2 3 4 0 5 6
>
> What's the right way to do this. I still have some problems with for and
> if statements...
>
> Cheers, Andrej
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Jan 18 02:40:45 2006

This archive was generated by hypermail 2.1.8 : Wed 18 Jan 2006 - 06:09:22 EST