From: tom wright <tom_at_maladmin.com>

Date: Tue 17 Jan 2006 - 21:31:53 EST

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 03:03:45 2006

Date: Tue 17 Jan 2006 - 21:31:53 EST

*> a<-c(0,1,2,3,0,4,5)
**> b<-vector(length=length(a))
**> b[a>0]<-a[a>0]+1
*

> b[a<=0]<-a[a<=0]

*> b
*

[1] 0 2 3 4 0 5 6

On Tue, 2006-17-01 at 15:30 +0100, Andrej Kastrin 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: 0 1 2 3 0 4 5
**> 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 03:03:45 2006

*
This archive was generated by hypermail 2.1.8
: Fri 03 Mar 2006 - 03:42:05 EST
*