[R] For each element in vector do...
Gabor Grothendieck
ggrothendieck at gmail.com
Tue Jan 17 16:08:10 CET 2006
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 at 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
>
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