[R] which

[Liaw, Andy]

Because you have one too many `&'.

Andy

> From: Y. C. Tao
> 
> Why the last "which" in the following example doesn't
> work? Is there a simple way to identify the indices of
> array elements that meet multiple criteria?
> 
> Thanks.
> 
> YC Tao
> 
> > x<-1:10
> > which(x<5)
> [1] 1 2 3 4
> > which(x>2)
> [1]  3  4  5  6  7  8  9 10
> > which(x<5 && x>2)
> numeric(0)
> 
> __________________________________ 
> 
> Dress up your holiday email, Hollywood style. Learn more.
> 
> ______________________________________________
> R-help at 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
> 
>